quicksome adjective 1adverb 1forms 2 adjective1 •Marked by quickness; swift; nimbleYea, and if thou wilt also eat of the good herb thy dear mother put before thee at meat, thou also shalt be as blithesome and quicksome as thy little Bessie. — 2011 adverb1 •In a quick or quicksome manner; quickly“Bigman,” I said when he'd thrice emptied his cup, “winter's coming on quicksome. It weighs on a man, not having any company in the long nights, wouldn't you say, sir?” — 2015 formsmore quicksome · most quicksome