dk

Noun

don't know (plural don't knows)

1. Someone who does not give a definite opinion in a questionnaire.
2. Something about which one is uncertain.

Adjective

dark (comparative darker, superlative darkest)

1. Having an absolute or (more often) relative lack of light.
   • The room was too dark for reading.

   Synonyms:

   dim, gloomy

   Antonyms:

   bright, light, lit

   1. Extinguished.
      • Dark signals should be treated as all-way stop signs.
   2. Deprived of sight; blind.
      • He was, I think, at this time quite dark, and so had been for some years.1661 April 7 (Gregorian calendar), John Evelyn, “[Diary entry for 29 March 1661]”, in William Bray, editor, Memoirs, Illustrative of the Life and Writings of John Evelyn, […], 2nd edition, volume I...
2. Transmitting, reflecting, or receiving inadequate light to render timely discernment or comprehension

   Synonyms:

   caliginous, darkling, dim, gloomy, lightless, sombre

   Antonyms:

   luminous, radiant, aglow, alight, beamful, beamsome, beamy, brilliant, effulgent, glowing

3. Dull or deeper in hue; not bright or light.
   • My sister’s hair is darker than mine.

   Synonyms:

   deep, dull, dusky, full, fuscous, languid, muted, inky, intense, saturated

   Antonyms:

   bright, light, pale

4. Ambiguously or unclearly expressed.
   • What's your dark meaning, mouse, of this light word?c. 1595–1596 (date written), William Shakespeare, “Loues Labour’s Lost”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward]...

   Synonyms:

   enigmatic, esoteric, mysterious, obscure, undefined, arcane, mystic, occult, recondite

See all 22 meanings of dark