Definitions
1.AdjectiveHaving an absolute or (more often) relative lack of light."The room was too dark for reading.; Dark signals should be treated as all-way stop signs."
2.AdjectiveExtinguished."Dark signals should be treated as all-way stop signs."
3.AdjectiveDeprived of sight; blind.
4.AdjectiveTransmitting, reflecting, or receiving inadequate light to render timely discernment or comprehension
5.AdjectiveDull or deeper in hue; not bright or light."My sister’s hair is darker than mine.; Her skin grew dark with a suntan."
6.AdjectiveAmbiguously or unclearly expressed.
7.AdjectiveMarked by or conducted with secrecy."The dark side of the moon.; dark money"
8.AdjectiveHaving racing capability not widely known.
9.AdjectiveWithout moral or spiritual light; sinister, malevolent, malign."a dark villain; a dark deed"
10.AdjectiveConducive to hopelessness; depressing or bleak."The Great Depression was a dark time.; The film was a dark psychological thriller."
11.AdjectiveLacking progress in science or the arts."The dark ages began after the collapse of the Roman Empire.; The Greek Dark Ages began after the Bronze Age collapse."
12.AdjectiveExtremely sad, depressing, or somber, typically due to, or marked by, a tragic or undesirable event."September 11, 2001, the day when four terrorist attacks destroyed the Twin Towers and the Pentagon, is often referred to as America’s dark day."
13.AdjectiveWith emphasis placed on the unpleasant and macabre aspects of life; said of a work of fiction, a work of nonfiction presented in narrative form, or a portion of either."The ending of this book is rather dark.; This show is full of dark humor."
14.AdjectiveOff the air; not transmitting.
15.NounA complete or (more often) partial absence of light."Dark surrounds us completely."
16.NounIgnorance."We kept him in the dark.; The lawyer was left in the dark as to why the jury was dismissed."
17.NounNightfall."It was after dark before we got to playing baseball."
18.NounA dark shade or dark passage in a painting, engraving, etc.
19.VerbTo grow or become dark, darken.
20.VerbTo remain in the dark, lurk, lie hidden or concealed.
21.VerbTo make dark, darken; to obscure.