nitty /ˈnɪtiː/adjective 5noun 1forms 5 adjective5 •detailed or specific; fastidious, fussy, nit-picky.There are only a few nits to pick. The nittiest is, of course, the supposed needlessness^([sic – meaning needless]) death of the dumb and worthless Rickon Stark. — 2016 •(slang) Of a poker player: playing in an overly cautious and reactive manner.These days, even the nittiest regular players use continuation bets. But not every flop calls for a continuation bet from every hand. — 2015 •(UK, slang) Foolish, inane. •(no longer used) Full of nits.Sure thy father was some botcher, and thy hungry tongue bit off these shreds of complaints, to patch up the elbows of thy nitty eloquence. — 1622 •(no longer used, rare) Shining; elegant, spruce. noun1 •(slang) A dope fiend, a druggie.Trapping ain't dead, the nitty still clucking and ringing my phone / Chilling with bro, talking ’bout money, dough to the dome — 2016 formsnitties · more nitty · nittier · most nitty · nittiest