tweezer twee·zer US/ˈtwizɜr/ uncommon us noun 1. a hand tool for holding consisting of a compound lever for grasping Synonymspincerpair of pincerspair of tweezers Related words Word family tweeze Broader terms hand tool Narrower terms roach clip WordNet 2.1 (Princeton University). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.