anti- + thalian
antithalian (comparative more antithalian, superlative most antithalian)
- (formal) Opposed to fun or festivity.
- 1818, Thomas Love Peacock, Nightmare Abbey
- Mr Toobad described her as being […] altogether as gloomy and antithalian a young lady as Mr Glowry himself could desire for the future mistress of Nightmare Abbey.