a one

a one
A a


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

Definitions of a one words

  • noun a one first-class; first-rate; superior 3
  • 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.
This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

a one usage trend in Literature

This diagram is provided by Google Ngram Viewer

Synonyms for a one

adj a one

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

See also

Matching words

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