Origin: 1375–1425; late ME < LL invincibilis.See in-3, vincible
Related forms:
in⋅vin⋅ci⋅bil⋅i⋅ty, in⋅vin⋅ci⋅ble⋅ness, noun
in⋅vin⋅ci⋅bly, adverb
Synonyms: 1.unyielding. Invincible,impregnable,indomitable suggest that which cannot be overcome or mastered. Invincible is applied to that which cannot be conquered in combat or war, or overcome or subdued in any manner: an invincible army; invincible courage. Impregnable is applied to a place or position that cannot be taken by assault or siege, and hence to whatever is proof against attack: an impregnable fortress; impregnable virtue. Indomitable implies having an unyielding spirit, or stubborn persistence in the face of opposition or difficulty: indomitable will.
in·vin·ci·ble (ĭn-vĭn'sə-bəl) adj. Incapable of being overcome or defeated; unconquerable.
[Middle English, from Old French, from Latin invincibilis : in-, not; see in-1 + vincibilis, conquerable; see vincible.] in·vin'ci·bil'i·ty, in·vin'ci·ble·ness n., in·vin'ci·bly adv.