hypergelast

== English == === Etymology === From Ancient Greek ὑπέρ (hupér, “over”) + γελαστής (gelastḗs, “laughter”), from γελάω (geláō, “I laugh”). === Pronunciation === (US) IPA(key): /ˌhaɪpəɹd͡ʒəˈlæst/ Hyphenation: hy‧per‧ge‧last === Noun === hypergelast (plural hypergelasts) Someone who laughs excessively. Synonym: cachinnator Antonym: agelast