› [I or T] to help somebody or help with something: assist (sb) with sth The coordinator will assist the director with all aspects of event-planning.assist (sb) in doing sth The prospectus provides detailed information that will assist investors in making informed decisions. The accused denies the charge of assisting an offender. Investment in transport will assist growth in the economy. The fees will assist in paying off the 260m pounds debt accrued. › [T] to help something develop or happen by providing money, support, etc.: be assisted by sth Redevelopment of the new facility has been assisted by 2.5 million dollars of public funding.
assist the police with their inquiries › an expression that is used to refer to the fact that someone has been taken to a police station to be asked questions about a crime, but that they have not yet been accused of the crime: Two men have been detained in connection with the suspected fraud and are at present assisting police with their inquiries.