inaudible

Từ điển Oxford Advanced Learner 8th

in·aud·ible BrE [ɪnˈɔːdəbl] NAmE [ɪnˈɔːdəbl] adjective ~ (to sb)
that you cannot hear
•She spoke in an almost inaudible whisper.
•The whistle was inaudible to the human ear.
Opp: ↑audible
Derived Words: ↑inaudibility ▪ ↑inaudibly

Word Origin:
[inaudibility inaudible inaudibly] late Middle English: from late Latin inaudibilis, from in- ‘not’ + audibilis, from audire ‘hear’.

Example Bank:
•His voice was almost inaudible.
•The sound is inaudible to the human ear.

• Từ trái nghĩa / Antonyms:
  audible, hearable