Definitions
1.adjectiveFitting its definition precisely."a perfect circle"
2.adjectiveHaving all of its parts in harmony with a common purpose."That bucket with the hole in the bottom is a poor bucket, but it is perfect for watering plants."
3.adjectiveWithout fault or mistake; thoroughly skilled or talented."Practice makes perfect."
4.adjectiveExcellent and delightful in all respects."a perfect day"
5.adjectiveOf a number: equal to the sum of its proper divisors."6 is perfect because the sum of its proper divisors, 1, 2, and 3, which is 6, is equal to the number itself."
6.adjective(grammar, of a tense or verb form) Representing a completed action.
7.adjectiveSexually mature and fully differentiated.
8.adjectiveOf flowers, having both male parts (stamens) and female parts (carpels).
9.adjectiveOf a set: equal to its set of limit points, i.e. set A is perfect if A=A'.
10.adjectiveDescribing an interval or any compound interval of a unison, octave, or fourths and fifths that are not tritones.
11.adjective(of a cocktail) Made with equal parts of sweet and dry vermouth."a perfect Manhattan; a perfect Rob Roy"
12.adjectiveWell informed; certain; sure.
13.adjectiveInnocent, guiltless.
14.adjective(grammar) of, or relative to, the perfect tense or perfective aspect.
15.adjectiveTending to make perfect, or to bring to perfection.
16.verbTo pierce; to penetrate.
17.verbTo make a line of holes in (a thin material) to allow separation at the line."to perforate a sheet of postage stamps"
18.adjectivePierced with holes.
19.nounThe act of perforating or the state of being perforated.
20.nounAny opening in a solid object.
21.nounAn abnormal opening in an organ, such as a rupture.
22.nounA series of holes punched through something in order to assist in separating parts.
23.nounThat portion of a surface that remains after an open disk is removed from it.
24.nounThe act of performing; carrying into execution or action; execution; achievement; accomplishment; representation by action."the performance of an undertaking or a duty"
25.nounThat which is performed or accomplished; a thing done or carried through; an achievement; a deed; an act; a feat; especially, an action of an elaborate or public character.
26.nounA live show or concert.
27.nounThe amount of useful work accomplished estimated in terms of time needed, resources used, etc."Better performance means more work accomplished in shorter time and/or using fewer resources."
28.nounThe actual use of language in concrete situations by native speakers of a language, as opposed to the system of linguistic knowledge they possess (competence), cf. :w:linguistic performance.