Definitions
1.AdjectivePhysically unobstructed, uncovered, etc.
Able to have something pass through or along it."Come in – the door's open.; The ice has cleared and the channel is open again.; The jewellery box was lying open.; Don't just stand there with your mouth open!; Along the street ran an open sewer.; She greeted them with open arms.; The book was open at page 23.; an open hand; an open flower; an open (loosely woven) fabric; It was a large, open room.; Most of the site was occupied by huts, but there was an open area in the centre.; Soon we left the forest behind and we were out in open country.; an open fracture; open sandwich; an open winter"
2.AdjectiveAble to have something pass through or along it."Come in – the door's open.; The ice has cleared and the channel is open again."
3.AdjectiveNot covered, sealed, etc.; having an opening or aperture showing what is inside."The jewellery box was lying open.; Don't just stand there with your mouth open!; Along the street ran an open sewer."
4.AdjectiveNot physically drawn together, folded or contracted."She greeted them with open arms.; The book was open at page 23.; an open hand; an open flower; an open (loosely woven) fabric"
5.AdjectiveOf a space, free of objects and obstructions."It was a large, open room.; Most of the site was occupied by huts, but there was an open area in the centre.; Soon we left the forest behind and we were out in open country."
6.AdjectiveResulting from an incision, puncture or any other process by which the skin no longer protects an internal part of the body."an open fracture"
7.AdjectiveUnlocked or unlatched but not physically open.
8.AdjectiveIn a position allowing fluid to flow.
9.AdjectiveOf a sandwich, etc.: composed of a single slice of bread with a topping."open sandwich"
10.AdjectiveNot of a quality to prevent communication, as by closing waterways, blocking roads, etc.; hence, not frosty or inclement; mild; used of the weather or the climate."an open winter"
11.AdjectiveAble to be used or interacted with in some way.
Available for use or operation."Your bank account is now open.; Phone lines open at 10 pm.; This is the only option open to us.; Banks are not open on bank holidays.; Several new shops have opened in Market Street.; I hereby declare this fete open.; The school has an open day on Saturday.; I am open to new ideas.; open to question; open to attack; open to criticism; I couldn't save my changes because another user had the same file open.; You're getting short of memory because you have too many apps open."
12.AdjectiveAvailable for use or operation."Your bank account is now open.; Phone lines open at 10 pm.; This is the only option open to us."
13.AdjectiveActively conducting or prepared to conduct business."Banks are not open on bank holidays.; Several new shops have opened in Market Street."
14.AdjectiveAllowing entrance to visitors or the public."I hereby declare this fete open.; The school has an open day on Saturday."
15.AdjectiveReceptive."I am open to new ideas."
16.AdjectiveSusceptible or vulnerable (to the stated means)."open to question; open to attack; open to criticism"
17.AdjectiveIn current use; connected to as a resource."I couldn't save my changes because another user had the same file open."
18.AdjectiveRunning."You're getting short of memory because you have too many apps open."
19.AdjectiveNot hidden or restricted.
Not concealed; overt."It is a blatant example of open criminality.; Nowadays people are more open about their sexuality.; He published an open letter to the governor on a full page of The New York Times.; You will observe that this is an open letter and we reserve the right to mention it to the judge should the matter come to trial.; We hope that all aspects of the project will be open rather than paywalled.; Compared to their last match, which was a dour and defensive affair, this was a very open game."
20.AdjectiveNot concealed; overt."It is a blatant example of open criminality."
21.AdjectiveOf a person, not concealing their feelings, opinions, etc.; candid, ingenuous."Nowadays people are more open about their sexuality."
22.AdjectivePublic."He published an open letter to the governor on a full page of The New York Times."
23.AdjectiveWritten or sent with the intention that it may made public or referred to at any trial, rather than by way of confidential private negotiation for a settlement."You will observe that this is an open letter and we reserve the right to mention it to the judge should the matter come to trial."
24.AdjectiveWith open access, of open science, or both."We hope that all aspects of the project will be open rather than paywalled."
25.AdjectiveMade public, usable with a free licence and without proprietary components.
26.AdjectiveOf a tournament or competition, allowing anyone to enter, especially or originally irrespective of professional or amateur status.
27.AdjectiveCharacterised by free-flowing play."Compared to their last match, which was a dour and defensive affair, this was a very open game."
28.AdjectiveNot completed or finalised.
Not settled; not decided or determined; not withdrawn from consideration."an open question; to keep an offer or opportunity open; I've got open orders for as many containers of red durum as you can get me.; an open curve, an open circuit"
29.AdjectiveNot settled; not decided or determined; not withdrawn from consideration."an open question; to keep an offer or opportunity open"
30.AdjectiveNot fulfilled or resolved; incomplete."I've got open orders for as many containers of red durum as you can get me."
31.AdjectiveNot having one end joined to the other; not forming a closed loop."an open curve, an open circuit"
32.AdjectiveIn a position such that a circuit is not completed, preventing electricity from flowing.
33.AdjectiveHaving different first and last vertices.
34.AdjectiveEnding in a vowel; not having a coda.
35.AdjectiveHaving a free variable.
36.AdjectiveWhich is part of a predefined collection of subsets of
X
{\displaystyle X}
, that defines a topological space on
X
{\displaystyle X}
.
37.AdjectiveOf a note, played without pressing the string against the fingerboard.
38.AdjectiveOf a note, played without closing any finger-hole, key or valve.
39.AdjectiveUttered with a relatively wide opening of the articulating organs; said of vowels.
40.AdjectiveUttered, as a consonant, with the oral passage simply narrowed without closure.
41.AdjectiveSource code of a computer program that is not within the text of a macro being generated.(Can we add an example for this sense?)
42.AdjectiveHaving component words separated by spaces, as opposed to being joined together or hyphenated; for example, time slot as opposed to timeslot or time-slot.
43.AdjectiveOf a club, bat or other hitting implement, angled upwards and/or (for a right-hander) clockwise of straight.
44.VerbTo make or become physically unobstructed, uncovered, etc.
To make or become accessible or clear for passage by moving from a shut position."Turn the doorknob to open the door.; The door opened all by itself.; The icebreaker opened the channel.; The ice melted away and the channel opened.; He opened a path through the undergrowth.; After we left the forest, the country opened into a wide, flat plain.; You can open your eyes now!; Her eyes opened wide.; to open a closed fist; to open matted cotton by separating the fibres; to open a map, book, scroll, padlock; The flower opened in the sunlight.; Her arms opened in welcome.; Jeff opens his hand revealing a straight flush."
45.VerbTo make or become accessible or clear for passage by moving from a shut position."Turn the doorknob to open the door.; The door opened all by itself."
46.VerbTo make or become clear by removal of objects and obstructions, so as to allow passage, access, or visibility."The icebreaker opened the channel.; The ice melted away and the channel opened.; He opened a path through the undergrowth.; After we left the forest, the country opened into a wide, flat plain."
47.VerbTo unseal or uncover, or become unsealed or uncovered."You can open your eyes now!; Her eyes opened wide."
48.VerbTo spread; to expand into a wider or looser position."to open a closed fist; to open matted cotton by separating the fibres; to open a map, book, scroll, padlock; The flower opened in the sunlight.; Her arms opened in welcome."
49.VerbTo make (a bed) ready for a patient by folding back the bedcovers.
50.VerbTo reveal one's hand."Jeff opens his hand revealing a straight flush."
51.VerbTo move to a position allowing fluid to flow.
52.VerbTo angle (a club, bat or other hitting implement) upwards and/or (for a right-hander) clockwise of straight.
53.VerbTo cause or allow a gap to form or widen."Mudchester Rovers opened a sizeable lead on their rivals.; A link opened under the strain, and the chain came apart."
54.VerbTo move to a position preventing electricity from flowing.
55.VerbTo make or become available for use or interaction.
To make or become operative or available."He opened a secret bank account in Switzerland.; We're opening the phone lines in ten minutes.; Phone lines will open in ten minutes.; I will open the shop an hour early tomorrow.; The summer fete was opened by the mayor.; The shop opens at 9:00.; The fete opened an hour late because of bad weather.; Reading this book will open you to new ideas.; This policy will open the government to criticism.; As he grew older, he opened to new ways of doing things.; I can't open the file because someone else is editing it.; Please open the lights, the (electric) fan, the TV."
56.VerbTo make or become operative or available."He opened a secret bank account in Switzerland.; We're opening the phone lines in ten minutes.; Phone lines will open in ten minutes."
57.VerbTo make or become accessible to customers, clients or visitors."I will open the shop an hour early tomorrow.; The summer fete was opened by the mayor.; The shop opens at 9:00.; The fete opened an hour late because of bad weather."
58.VerbTo make or become receptive or susceptible (to something)."Reading this book will open you to new ideas.; This policy will open the government to criticism.; As he grew older, he opened to new ways of doing things."
59.VerbTo connect to a resource (a file, document, etc.) for viewing or editing."I can't open the file because someone else is editing it."
60.VerbTo turn on; to switch on."Please open the lights, the (electric) fan, the TV."
61.VerbTo start or begin.
To start (an event or activity) as the first performer or actor."The show was opened by a terrible Elvis impersonator.; Our band opened, and they came on second.; Vermont will open elk hunting season next week.; Our band opened for Nirvana.; The meeting opened with a statement from the chairman.; I don't want to open that subject.; to open a discussion; to open fire upon an enemy; to open trade, or correspondence; to open a case in court, or a meeting; Click this icon to open Microsoft Word.; After the first two players fold, Julie opens for $5."
62.VerbTo start (an event or activity) as the first performer or actor."The show was opened by a terrible Elvis impersonator.; Our band opened, and they came on second.; Vermont will open elk hunting season next week."
63.VerbTo precede another as a performer at a concert or show."Our band opened for Nirvana."
64.VerbOf an event, activity etc., to start or get underway."The meeting opened with a statement from the chairman."
65.VerbTo bring up, broach."I don't want to open that subject."
66.VerbTo enter upon, begin."to open a discussion; to open fire upon an enemy; to open trade, or correspondence; to open a case in court, or a meeting"
67.VerbTo start running (a program or application, especially one with a screen-based interface)."Click this icon to open Microsoft Word."
68.VerbTo begin a side's innings as one of the first two batsmen.
69.VerbTo bet before any other player has in a particular betting round in a game of poker."After the first two players fold, Julie opens for $5."
70.VerbTo make an open relationship or marriage, i.e., with possible additional relationships.
71.VerbTo disclose; to reveal; to interpret; to explain.
72.NounOpen or unobstructed space; an exposed location."I can't believe you left the lawnmower out in the open when you knew it was going to rain this afternoon!; Wary of hunters, the fleeing deer kept well out of the open, dodging instead from thicket to thicket."
73.NounPublic knowledge or scrutiny; full view."We have got to bring this company's corrupt business practices into the open."
74.NounA defect in an electrical circuit preventing current from flowing."The electrician found the open in the circuit after a few minutes of testing."
75.NounA sports event in which anybody can compete, especially or originally irrespective of amateur or professional status."the Australian Open"
76.NounThe act of something being opened, such as an e-mail message.