misogelast
One who hates laughter.
literary, rare
The phenomena presented by the misogelast, or laughter-hater; the agelast, or non-laugher; the gelast, who is the laugher himself, and the hypergelast, who is the laugher gone intemperate, are looked into, and as far as possible accounted for, by Dr. Sully.
Where it comes from
From miso- + Ancient Greek γελαστής (gelastḗs, “laughter”).
Adapted from the Wiktionary entry misogelast (CC BY-SA 4.0).