(un-, prefix1 affix 1b.)
= inaudible, adj.
Not audible; not capable of being heard; imperceptible to the ear.
Kept from knowledge or observation; hidden, concealed. Of a sound: Little audible. Obsolete. rare.
Not loud enough to be audible; barely audible. Also figurative.
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。