n. 25B6; adjective
a very funny film : AMUSING, humorous, witty, comic, comical, droll, facetious, jocular, jokey; hilarious, hysterical, riotous, uproarious; entertaining, diverting, sparkling, scintillating; silly, farcical, slapstick; informal side-splitting, rib-tickling, laugh-a-minute, wacky, zany, waggish, off the wall, a scream, rich, priceless; informal, dated killing.
a funny coincidence : STRANGE, peculiar, odd, queer, weird, bizarre, curious, freakish, freak, quirky; mysterious, mystifying, puzzling, perplexing; unusual, uncommon, anomalous, irregular, abnormal, exceptional, singular, out of the ordinary, extraordinary; Brit. informal, dated rum.
there's something funny about him : SUSPICIOUS, suspect, dubious, untrustworthy, questionable; informal shady, fishy; Brit. informal dodgy.
serious, unsurprising, trustworthy.