crook

1 a person who has committed a crime a guy at the bar was raving about how all politicians are basically crooks Synonyms criminal, culprit, felon, lawbreaker, malefactor, miscreant, offenderRelated Words misdemeanant; accomplice, principal; desperado, outlaw; convict, jailbird; perp, perpetrator; evildoer, gallows bird, misdoer, misfeasor, sinner, transgressor, trespasser, villain, wrongdoer; blackhander, button man, gangster, hoodlum, hooligan, mobster, racketeer, thug; enforcer, gun, gunman, gunsel [slang], hit man, triggerman; backslider, recidivist, relapser, repeater; accused, arrestee, defendant, detainee, fish, suspectNear Antonyms gangbuster, lawman

2 something that curves or is curved carried the baby in the crook of her arm Synonyms angle, arc, arch, bow, bend, curvature, curve, inflection, turn, windRelated Words kink, warp; circle, ring, ringlet, round; coil, curl, curlicue (also curlycue); buckle, convolution, flexure, fold, loop, spiral, swirl, twist, winding; incurvature, reflection; decline, inclination, incline, slope; corner, turnoff; dogleg, hairpin