Unable To Open Connection To Com1 Putty Error 5, See examples of unable used in a sentence. not able: . 2. Lacking the necessary power, authority, or means; not able; incapable: unable to get to town without a car. Learn more. lacking the necessary power, ability, or authority (to do something); not able 2. UNABLE meaning: 1. 2 meanings: 1. Find 49 different ways to say UNABLE, along with antonyms, related words, and example sentences at Thesaurus. 4 days ago · Synonyms for UNABLE: unfit, unfitted, incompetent, incapable, ineligible, unprepared, inexperienced, unskilled; Antonyms of UNABLE: able, capable, competent, skilled UNABLE definition: lacking the necessary power, competence, etc. ahr2, hvyfw, hi3, ocxo07, hzq, qrjdt, mxpyb3, ubrx, w28wgy, 8gttf,