Noun

• S: (n) catch, gimmick (a drawback or difficulty that is not readily evident) "it sounds good but what's the catch?"
• S: (n) doodad, doohickey, doojigger, gimmick, gizmo, gismo, gubbins, thingamabob, thingumabob, thingmabob, thingamajig, thingumajig, thingmajig, thingummy, whatchamacallit, whatchamacallum, whatsis, widget (something unspecified whose name is either forgotten or not known) "she eased the ball-shaped doodad back into its socket"; "there may be some great new gizmo around the corner that you will want to use"
• S: (n) device, gimmick, twist (any clever maneuver) "he would stoop to any device to win a point"; "it was a great sales gimmick"; "a cheap promotions gimmick for greedy businessmen"
• direct hyponym / full hyponym
• direct hypernym / inherited hypernym / sister term