from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Incapable of being overcome, subdued, or vanquished; unconquerable.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Incapable of being subdued, overcome, or vanquished.
from the GNU version of the Collaborative International Dictionary of English
- adj. Not to be subdued; untamable; invincible.
from The Century Dictionary and Cyclopedia
- That cannot be tamed, subdued, or repressed; untamable: applied chiefly to human beings and their attributes: as, indomitable energy, obstinacy, courage, etc.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. impossible to subdue
Late Latin indomitābilis : Latin in-, not; see in-1 + Latin domitāre, to tame, frequentative of domāre, to subdue; see demə- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From the Late Latin indomitabilis, in- "not" + domitare frequentive of domare "to tame" (Wiktionary)