Merriam-Webster Online Dictionary
one (adjective)1.
being a single unit or thing - one day at a time
2.
a) being one in particular - early one morning
b) being preeminently what is indicated - one fine person
3.
a) being the same in kind or quality - both of one species
b) (1) constituting a unified entity of two or more components - the combined elements form one substance
(2) being in agreement or union - am one with you on this
4.
a) - some will see you again one day
b) being a certain individual specified by name - one John Doe made a speech
5.
- only the one person she wanted to marry
1.
- see number table
2.
the number denoting unity
3.
a) the first in a set or series - often used with an attributive noun day one
b) an article of clothing of a size designated - one wears a one
4.
a single person or thing - has the one but needs the other
5.
a one-dollar bill
1.
a certain indefinitely indicated person or thing - saw one of his friends
2.
a) an individual of a vaguely indicated group anyone at all - one never knows
b) - used as a third person substitute for a first person pronoun I'd like to read more but one doesn't have the time
3.
a single instance of a specified action - felt like belting him one John Casey
Merriam-Webster Online Thesaurus
one (adjective)1.
being the one or ones of a class with no other members
SYNONIMS:
alone, lone, one, one-off, singular, sole, solitary, special, sui generis, uniqueRELATED WORDS:
single, solo, unaccompanied, unattended; incomparable, inimitable, matchless, peerless, unequaled ( unequalled), unmatched, unparalleled, unrivaled ( unrivalled), unsurpassable, unsurpassed; distinct, distinctive, individual, separate; nonceNEAR ANTONYMS:
divers, manifold, multifarious, myriad; assorted, heterogenous, miscellaneous, mixed, motley, patchwork, promiscuous, varied; popular, prevailing, prevalent, rampant; perennial, recurrent, repeated2.
known but not named
SYNONIMS:
anonymous, given, one, some, unidentified, unnamed, unspecifiedRELATED WORDS:
particular, specificNEAR ANTONYMS:
known, named, specifieda U.S. currency bill representing 100 cents
SYNONIMS:
bone, buck, clam, one, smackerRELATED WORDS:
greenback; dead presidents []