Main entry: onomatopoeic, onomatopoeical, onomatopoetic, imitative, echoic
Definition: (of words) formed in imitation of a natural sound
Usage: onomatopoeic words are imitative of noises; it was independently developed in more than one place as an onomatopoetic term- Harry Hoijer
Antonyms: nonechoic
Definition: not echoic or imitative of sound
Main entry: echoic, echolike
Definition: like or characteristic of an echo
Antonyms: unreflected
Definition: (especially of incident sound or light) not turned back by physical reflection