expatiate

expatiate

verb

Definition of EXPATIATE

to give a formal often extended talk on a subject <the naturalist is known for her willingness to expatiate on any number of issues relating to wildlife and the environment>

Synonyms declaim, descant, discourse, expatiate, harangue, lecture, orate, speak

Related Words recite, soliloquize; dissert, expound, pontificate, sermonize; mouth, spout; filibuster