Definify.com

Webster 1913 Edition

Adj.

[L.

inconvincibilis

. See

not, and

Not convincible; incapable of being convinced.

None are so

inconvincible

as your half-witted people.

Gov. of the Tongue.

Adj.

[in and convincible.] Not convincible; that cannot be convinced; not capable of conviction.

inconvincible ‎(comparative more inconvincible, superlative most inconvincible)