adjective
- that cannot be subdued or overcome, as persons, will, or courage; unconquerable: an indomitable warrior.
adjective
- (of courage, pride, etc) difficult or impossible to defeat or subdue
1630s, from Late Latin indomitabilis “untameable,” from in- “not, opposite of, without” (see in- (1)) + *domitabilis, from Latin domitare, frequentative of domare “to tame” (see tame). Related: Indomitably.