Definition of


  1. (noun, communication) the 9th letter of the Roman alphabet
  2. (noun, quantity) the smallest whole number or a numeral representing this number
    they had lunch at one
  3. (noun, substance) a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks)
  4. (adj, all) used of a single unit or thing; not two or more

via WordNet, Princeton University

Origin of the word I

  1. 12c. shortening of O.E. ic, first person sing. nom. pronoun, from P.Gmc. *ekan (cf. O.Fris. ik, O.N. ek, Norw. eg, Dan. jeg, O.H.G. ih, Ger. ich, Goth. ik), from PIE *ego(m) (cf. Skt. aham, Hitt. uk, L. ego, Gk. ego, Rus. ja). Reduced to i by 1137 in northern England,… more

via Online Etymology Dictionary, ©2001 Douglas Harper

Words that sound like I

i.e., i.w.w., ia, iaa, iaea, ie, ii, iii, io, iou, iowa, ioway, iw, iwo, iww

via soundex() Hash Matches

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pantropical tree of usually seacoasts sometimes cultivated as an ornamental for its rounded heart-shaped leaves and showy yellow and purple flowers; yields valuable pink to dark red close-grained wood and oil from its seeds