intolerably adv. + Add to list US //ˌɪnˈtɑɫɝəbɫi// UK //ɪntˈɒləɹəbli// in·tol·er·a·bly SynonymsAntonymsEtymology Synonyms unacceptably Antonyms acceptablytolerablyOrigin From intolerable + -ly.