approximate is on the Academic Word List.

Pronunciation change

adjective
verb

Adjective change

Positive
approximate

Comparative
more approximate

Superlative
most approximate

  1. An approximate number, length, time, etc. is close to the real one but may not be equal to it.
    "How many people are on the team?" "I'm not sure, but I can give you an approximate number."
    If we knew when he left here, it might help us identify the approximate time of death.

Related words change

Verb change

Plain form
approximate

Third-person singular
approximates

Past tense
approximated

Past participle
approximated

Present participle
approximating

  1. (transitive & intransitive) be or become near a value, position, or characteristic
    Computers are getting better at approximating human speech.
    Women's salaries in the company have approximated to male salaries.