1611. Florio, Inaudibile, vnaudible, not to be heard.
1650. R. Stapylton, Strada’s Low C. Wars, VII. 68. The man read it in French, and Low Dutch, but with such a hoarse vnaudible Voyce, that very few understood him.
1667. Decay Chr. Piety, ii. ¶ 18. Shall the superaddition of our Religion damp ours into a whisper, a soft unaudible sound.
1784. R. Bage, Barham Downs, II. 106. Only heaven has blessed him with the gift of unaudible sighing.
