| Expatiate 1. (v. i.) To range at large, or without restraint. 2. (v. i.) To enlarge in discourse or writing; to be copious in argument or discussion; to descant. 3. (v. t.) To expand; to spread; to extend; to diffuse; to broaden. Thesaurus Entries amplify, descant, detail, develop, dilate, discuss, dissert, dissertate, elaborate, enlarge, enlarge upon, evolve, expand, explicate, narrate, particularize, ramble, recite, recount, rehearse, rehearse in extenso, relate, relate at large, sermonize, unfold, work out |