A a


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [ad on, awn]
    • /æd ɒn, ɔn/
    • /æd ɒn/
    • US Pronunciation
    • US IPA
    • [ad on, awn]
    • /æd ɒn, ɔn/

Definitions of add-on word

  • noun add-on a device or unit added to equipment or a construction: an add-on to a computer; a nice add-on to an old house. 1
  • noun add-on an extra charge: Add-ons for taxes and tour guide fees boosted the price of the vacation to $2,500. 1
  • noun add-on an additional item, as a rider or provision: This is just another legislative add-on. 1
  • noun add-on anything added on: a hi-fi system that can be augmented with add-ons like extra speakers. 1
  • adjective add-on being installed or provided as an add-on: an add-on speaker system. 1
  • noun add-on Something which can be appended to something else. 0

Information block about the term

Origin of add-on

First appearance:

before 1945
One of the 6% newest English words
First recorded in 1945-50; noun and adj. use of verb phrase add on

Historical Comparancy

Parts of speech for Add-on


add-on popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 59% of English native speakers know the meaning and use word.
According to our data about 61% 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 add-on

noun add-on

  • supplement — something added to complete a thing, supply a deficiency, or reinforce or extend a whole.
  • addition — An addition to something is a thing which is added to it.
  • accompaniment — The accompaniment to a song or tune is the music that is played at the same time as it and forms a background to it.
  • preservative — something that preserves or tends to preserve.
  • flavor enhancer — a substance added to food in order to enhance or intensify its flavor: Salt is a common flavor enhancer.

Top questions with add-on

  • what is an add-on?

See also

Matching words

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