English adjective: sonic | |||
1. | sonic (of speed) having or caused by speed approximately equal to that of sound in air at sea level | ||
Samples | A sonic boom. | ||
Synonyms | transonic | ||
Antonyms | subsonic, supersonic | ||
2. | sonic relating to audible sound | ||
Samples | A sonic wave. | ||
Similar | audible, hearable | ||
Antonyms | inaudible, unhearable | ||