stringed instrument strin·ge·dinst·rument uncommon noun 1. a musical instrument in which taut strings provide the source of sound Synonymsstringed instrument Related words Broader terms musical instrument Narrower terms banjobowed stringed instrumentchordophoneclavichordclavierdulcimerguitarkoto Part of bridgepegsounding boardstring WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.