Adjective one has 10 senses
  1. one, 1, i, ane - used of a single unit or thing; not two or more; "`ane' is Scottish"
    Antonym: ordinal (indirect, via cardinal)
  2. one - particular but unspecified; "early one evening"
    specified (indirect, via unspecified)
  3. one, unitary - having the indivisible character of a unit; "a unitary action"; "spoke with one voice"
    Antonym: divided (indirect, via united)
  4. one - of the same kind or quality; "two animals of one species"
    different (indirect, via same)
  5. one - used informally as an intensifier; "that is one fine dog"
    ordinary (indirect, via extraordinary)
  6. one - indefinite in time or position; "he will come one day"; "one place or another"
    definite (indirect, via indefinite)
  7. one - being the single appropriate individual of a kind; only; "the one horse that could win this race"; "the one person I could marry"
    multiple (indirect, via single)
  8. one - being one in number--a single unit or thing; "one person is going"; "her one thought was to win"; "I'm just one player on the team"; "one day is just like the next"; "seen one horse and you've seen them all"
    multiple (indirect, via single)
  9. one - being a single entity made by combining separate components; "three chemicals combining into one solution"
    uncombined (indirect, via combined)
  10. matchless, nonpareil, one, one and only, peerless, unmatched, unmatchable, unrivaled, unrivalled - eminent beyond or above comparison; "matchless beauty"; "the team's nonpareil center fielder"; "she's one girl in a million"; "the one and only Muhammad Ali"; "a peerless scholar"; "infamy unmatched in the Western world"; "wrote with unmatchable clarity"; "unrivaled mastery of her art"
    Antonym: comparable (indirect, via incomparable)
,Noun one has 2 senses
  1. one, 1, I, ace, single, unity - the smallest whole number or a numeral representing this number; "he has the one but will need a two and three to go with it"; "they had lunch at one"
    --1 is a kind of digit, figure
    --1 has particulars: monad, monas; singleton
  2. one - a single person or thing; "he is the best one"; "this is the one I ordered"
    --2 is a kind of