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base on - definition and synonyms


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90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.



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phrasal verb [transitive] [usually passive]
Word Forms
present tense
I/you/we/theybase on
he/she/itbases on
present participlebasing on
past tensebased on
past participlebased on
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  1. 1
    base something on something to use particular ideas or facts to make a decision, do a calculation, or develop a theory

    The prosecution’s case is based largely on evidence from ex-members of the gang.

    Green politics are based on the belief that the resources of the planet are finite.

  2. 2
    base something on something to use something as a model for a film, piece of writing, or work of art

    He bases his designs on Roman mosaics.

    The film is based on a true story.

See also main entry: base

sea lion

in an online conversation, repeatedly asking a person questions which suggest that you are interested in what they are talking about, but are actually intended to annoy them

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an electric skateboard

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