Insuperable (adj)
Incapable of being overcome or solved
Synonyms
Impossible
Insurmountable
Overwhelming
Antonyms
Vincible
Vulnerable
attainable
Sentences
Kyle's project was so insuperable, he could not finish it by the due date.
Alex was stuck in an insuperable maze, which he could not find a way out of.
Can You Solve This Impossible Sequence?
Times
Sequence: 0:55
Answer 5:00