dilly

something very good of its kind came up with a dilly of an idea to get the fledgling company off the ground Synonyms beaut, beauty, bee's knees, cat's meow, corker, crackerjack (also crackajack), daisy, dandy, jim-dandy, doozy (or doozie also doozer), dream, honey, hot stuff, humdinger, hummer, knockout, lollapalooza, lulu [slang], nifty, peach, pip, pippin, ripper, ripsnorter, snorter, sockdolager (or sockdologer), standout, sweetheartRelated Words marvel, phenomenon, prodigy, sensation, wonder; catch, crown jewel, diamond, gem, imperial, jewel, pearl, plum, treasureNear Antonyms bust, disappointment, dud, failure, flop, lemon, letdown, loser, stinker, turkey