a. (UN-1 7 b.)
1678. Lively Oracles, III. § 70. 279. How sadly will conscience then revenge all its stifled admonitions by an unsilenceable clamor.
1875. M. Arnold, God & Bible, iii. 131. The great, standing, unsilenceable, unshaken witness.
1884. Harpers Mag., March, 524/2. The winds moaned with unsilenceable grief.