Synonyms for

One

Verb / wʌn / Another word for one — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

being a single unit or thing; not two or more

Synonyms & similar words

nonpareil peerless matchless ace i unity oneandonly ane unrivalled unrivaled unitary unmatched unmatchable single single solitary individual only sole lone unique distinct particular peculiar exclusive unaccompanied unaided unassisted undivided unified unitary alone solo

Synonyms by register

Formal

single unit individual

Informal

a a single one just one

Literary

sole singular alone

Antonyms

many multiple several numerous abundant plenty

Common collocations

  • one and only
  • one by one
  • one at a time
  • one of a kind
  • one after another
  • one hundred percent
  • one day
  • one another

Word family

noun unity
adjective single
adverb once

Usage note

As a determiner, 'one' is often replaced by 'a' or 'an' in informal contexts. 'One' can also function as a pronoun, referring back to a previously mentioned noun.

Example sentences

  1. I have one cookie left.
  2. Can I have one piece of candy?
  3. There is only one apple on the table.
  4. I want to buy one book.
  5. I need one pencil for my homework.

Quotes

  • One small step for man, one giant leap for mankind. - Neil Armstrong
  • One cannot think well, love well, sleep well, if one has not dined well. - Virginia Woolf
  • One good thing about music, when it hits you, you feel no pain. - Bob Marley

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