inaudible
The adjective inaudible describes something that is impossible to hear. You are likely to see this word in academic textbooks. The phrase ‘be inaudible to someone’ is often used. For example:
Example Sentences:
Sounds of frequencies higher than 20,000 Hz are inaudible to humans, while dogs can hear sounds up to a frequency of 45,000 Hz.
Ultrasound is an inaudible sound wave to humans.
Inaudible is the negated form of audible, so instead of using “dogs can hear” you could form a sentence like this:
Example Sentences:
Sounds up to a frequency of 45,000 Hz are audible to dogs.
برای ذخیره و تمرین کلمات، لطفاً وارد سایت شوید.
بعد از ورود، به همین صفحه بازخواهید گشت.