A a


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [ey wuhn]
    • /eɪ wʌn/
    • /ə wʌn/
    • US Pronunciation
    • US IPA
    • [ey wuhn]
    • /eɪ wʌn/

Definitions of a-one word

  • adjective a-one noting a vessel regarded by a shipping-classification society as being equipped to the highest standard and with equipment maintained in first-class condition. 1
  • adjective a-one Also, A number one. Informal. first-class; excellent; superior: The meals there are A one. 1

Information block about the term

Origin of a-one

First appearance:

before 1830
One of the 36% newest English words
First recorded in 1830-40

Historical Comparancy

Parts of speech for A-one


a-one popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 54% of English native speakers know the meaning and use word.
According to our data about 67% of words is more used. This is a rare but used term. It occurs in the pages of specialized literature and in the speech of educated people.

Synonyms for a-one

adj a-one

  • tops — pertaining to, situated at, or forming the top; highest; uppermost; upper: the top shelf.

noun a-one

  • crack — If something hard cracks, or if you crack it, it becomes slightly damaged, with lines appearing on its surface.
  • ace — An ace is a playing card with a single symbol on it. In most card games, the ace of a particular suit has either the highest or the lowest value of the cards in that suit.
  • super — Informal. a superintendent, especially of an apartment house. supermarket. supernumerary. supervisor.

adjective a-one

  • superior — higher in station, rank, degree, importance, etc.: a superior officer.
  • topnotch — first-rate: a topnotch job.
  • tiptop — the extreme top or summit.
  • first-rate — excellent; superb.

See also

Matching words

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