Synonyms: unbearable, unendurable, intolerable
Definition: incapable of being put up with
Usage: an intolerable degree of sentimentality
Similar words: bitter
Definition: very difficult to accept or bear
Usage: the bitter truth; a bitter sorrow
Similar words: unacceptable, insufferable, impossible, unsufferable
Definition: used of persons or their behavior
Usage: impossible behavior; insufferable insolence
Similar words: unsupportable
Definition: not able to be supported or defended