insufferable
adjective
[ ɪnˈsʌf(ə)rəb(ə)l ]
• too extreme to bear; intolerable.
• "the heat would be insufferable by July"
Similar:
intolerable,
unbearable,
unendurable,
insupportable,
unacceptable,
oppressive,
overwhelming,
overpowering,
impossible,
not to be borne,
past bearing,
too much to bear,
more than one can stand,
unspeakable,
dreadful,
excruciating,
grim,
outrageous,
too much,
Origin:
late Middle English: perhaps via French (now dialect) insouffrable, based on Latin sufferre ‘endure’ (see suffer).