tolerable UK /ˈtɒləɹəbl̩/US /ˈtɑləɹəbl̩/adjective 4adverb 1forms 2 adjective4 •Capable of being borne, tolerated or endured; bearable or endurable. •Moderate in degree; mediocre; passable, acceptable or so-so.A cabled despatch is better than nothing, but a voicecast of tolerable quality is preferable, and in certain types of story a voicecast with live or recorded actuality is best of all. — 1964 •Such as to be tolerated or countenanced; permissible; allowable. •In fair health; passably well. adverb1 •(dialect) tolerably; passably; moderately. formsmore tolerable · most tolerable