糸いとくずいとくずMeanings1nounwaste thread; lint; fluffRefers to small bits of thread, lint, or fluff, often from fabric or sewing.セーターに糸いとくずがついている。There is lint on the sweater.ミシンの周まわりに糸いとくずが落おちていた。Waste thread was scattered around the sewing machine.