老朽无用 lǎoxiǔwúyòng old and useless Origin Definitions Defs Strokes Stroke Words Sentences Sents 老 lǎo adjective old old; aged; (of people) venerable朽 xiǔ decrepit (bound form) senile; decrepit; old and frail无 無 wú adjectiveverb to not have to not have; there is no; lack; (as prefix) non-; un-; -less用 yòng noun usefulness Usefulness; utility; the effect or function of something.