Definition of


  1. (noun, substance) a fat-soluble vitamin that prevents rickets
  2. (noun, quantity) the cardinal number that is the product of one hundred and five
  3. (noun, communication) the 4th letter of the Roman alphabet
  4. (adj, all) denoting a quantity consisting of 500 items or units

via WordNet, Princeton University

Origin of the word D

  1. from Gk. delta, from Phoenician and Hebrew daleth. The sign for "500" in Roman numerals. 3-D is attested from 1953. more

via Online Etymology Dictionary, ©2001 Douglas Harper

Words that sound like D

2d, 3-d, 3d, d-day, d.a., d.o.a., da, da'wah, dad, dada, daddy, dado, dah, dat, data, date, dated, daw, dawah, day, day-to-day, dd, ddi, ddt, de, dea, dead, dead ahead, dead heat, deadeye, deadhead, deadwood, death, death duty, ded, deed, deity

via soundex() Hash Matches

Note: If you're looking to improve your vocabulary right now, we highly recommend Ultimate Vocabulary Software.

Word of the Moment


without branches