Synonyms and Antonyms of insuperable
incapable of being defeated, overcome, or subdued
- The building project ran into insuperable financial difficulties and had to be scrapped.
inviolable, unassailable, unbreachable, untouchable
armored, defended, guarded, protected, safe, safeguarded, secure, shielded
unbeaten, unbowed, unconquered, undefeated, unsubdued
exposed, imperiled (or imperilled), insecure, liable, open, susceptible, unguarded, unprotected, unsafe
defenseless, helpless, powerless, weak
incapable of being solved or accomplished
- Insuperable problems have arisen which make it very unlikely that we will ever finish this project.
impracticable, impractical, infeasible, unusable, unworkable
debatable, disputable, doubtable, doubtful, dubious, far-fetched, fishy, improbable, problematic (also problematical), questionable, shady, shaky, suspect, suspicious, unfeasible, unlikely
implausible, inconceivable, incredible, unbelievable, unimaginable, unthinkable
absurd, fantastic (also fantastical), outlandish, preposterous, ridiculous
applicable, functional, practicable, practical, reasonable, serviceable, usable (also useable), useful, working
acceptable, believable, conceivable, credible, plausible