effluence n. + Add to list US //ˈɛfɫuəns// UK //ˈɛfluːəns// ef·flu·ence SynonymsAntonymsEtymology Synonyms effluxoutflow Antonyms inflowinfluxOriginLATeffluentia→FRAeffluence→ENeffluence From French effluence, from Latin effluentia.