Antonyms of adj invincible

1 sense of invincible

Sense 1
invincible, unbeatable, unvanquishable -- (incapable of being overcome or subdued; "an invincible army"; "her invincible spirit")

INDIRECT (VIA unconquerable) -> conquerable -- (subject to being conquered or overcome; "knew her fears were ultimately conquerable")

Similarity of adj invincible

1 sense of invincible

Sense 1
invincible, unbeatable, unvanquishable -- (incapable of being overcome or subdued; "an invincible army"; "her invincible spirit")
       => unconquerable (vs. conquerable) -- (not capable of being conquered or vanquished or overcome; "a tribute to his courage...and his unconquerable will"- R.E.Danielson; "faced unconquerable difficulties")