WordReference Random House Unabridged Dictionary of American English © 2026
in•con•vin•ci•ble
(in′kən vin′sə bəl),USA pronunciation adj.
in′con•vin′ci•bil′i•ty, n.
in′con•vin′ci•bly, adv.
- not convincible;
incapable of being convinced.
- in-3 + convincible 1665–75
in′con•vin′ci•bly, adv.