American English

Definition of expound verb from the Oxford Advanced American Dictionary



[transitive, intransitive] (formal)Verb Forms present simple I / you / we / they expound
he / she / it expounds
past simple expounded
-ing form expounding
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to explain something by talking about it in detail expound something (to somebody) He expounded his views on the subject to me at great length. the theory of language expounded by Chomsky expound on something We listened as she expounded on the government's new policies.
See the Oxford Advanced Learner's Dictionary entry: expound