Word family noun sufferer suffering sufferance adjective insufferable verb suffer adverb insufferably 
From Longman Dictionary of Contemporary Englishinsufferablein‧suf‧fe‧ra‧ble /ɪnˈsʌfərəbəl/ adjective  ANNOYUNPLEASANTextremely annoying or unpleasant SYN unbearable an insufferable bully The heat was insufferable. —insufferably adverbExamples from the Corpus
insufferable• Churchill complained of his insufferable rudeness. 
