“+ adjective
Etymology: Middle French or Late Latin; Middle French, from Late Latin insupportabilis, from Latin in- in- (I) + supportare to carry, convey + -abilis -able — more at support
: impossible to support: as
a. : incapable of being borne : unendurable
burdens
an insupportable pain
b. : incapable of being sustained : unjustifiable
insupportable charges
c. obsolete : irresistible
• in·supportably “+ adverb