not serious

amusing blithe capering clever comic comical droll dry fanciful farcical flip flippant frivolous funny humorous indecorous ironic irreverent jesting jocose jocular joking joshing laughable ludicrous merry playful pleasant pulling one's leg punning putting one on ridiculous salty sarcastic satirical smart sportive sprightly waggish whimsical wisecracking witty wry

formal grave serious unfunny

foolish idiotic impractical petty pointless senseless

barmy childish dizzy empty-headed facetious featherbrained flighty flip flippant gay giddy harebrained idle ill-considered juvenile light light-minded minor niggling nonserious paltry peripheral playful puerile scatterbrained shallow sportive superficial tongue-in-cheek unimportant unprofound volatile whimsical

intelligent sensible wise

grave mature serious solemn thoughtful

empty unproductive useless

hollow rambling

abortive bootless frivolous fruitless futile groundless insignificant irrelevant nugatory of no avail otiose pointless superficial trivial unavailing unhelpful unnecessary unsuccessful vain

active ambitious busy diligent effective employed hustling important productive used working worthwhile

amusing comic flippant humorous ironic irreverent jocular joking playful sarcastic satirical whimsical

jokingly

blithe clever comical dry facetious farcical flip funny in fun in jest ironical jesting joshing kiddingly laughable pulling one's leg putting one on smart wisecracking witty

respectful reverent serious unfunny

all right allowable defensible excusable explainable forgivable justifiable minor not too bad okay permissible slight tolerable trivial understandable