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English definition of “approximate”

approximate

adjective uk   /əˈprɒk.sɪ.mət/ us    /-ˈprɑːk/
B2 not completely accurate but close: The train's approximate time of arrival is 10.30. The approximate cost will be about $600. Can you give me an approximate idea of the numbers involved?

approximate

verb [I + adv/prep, T] uk   /əˈprɒk.sɪ.meɪt/ us    /-ˈprɑːk-/ formal
to be almost the same as: The newspaper reports of the discussion only roughly approximated to (= were not exactly the same as) what was actually said. Student numbers this year are expected to approximate 5,000 (= to be about 5,000).
(Definition of approximate from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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