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circumventverb [ T ] uk â /ËsÉË.kÉmËvent/ us â /ËsÉË.kÉmËvent/ formal. âº to avoid something, especially cleverly or illegally: Ships were registered abroad to circumvent employment and safety regulations. Thesaurus: synonyms and related words.
Definition of circumstantial for English Language Learners. 1  law : based on information which suggests that something is true but does not prove that it is true. : 2  providing or including the details of a particular situation or event.