From Ancient Greek ὑπέρ (hupér, “over”) + γελαστής (gelastḗs, “laugher”), from γελάω (geláō, “I laugh”).
hypergelast (plural hypergelasts)
- someone who laughs excessively.
- 1992, Henry Jenkins, What Made Pistachio Nuts? (Columbia University Press)
- America had become a laughing nation, a country of frivolists and hypergelasts, a culture dangerously out of control.
- Synonym: cachinnator
- Antonym: agelast