echoic

/ɛˈkoʊɪk/
adjective
  1. Relating to or resembling an echo; having the quality of an echo.
    • The recording had an echoic effect that made it sound dreamy.
    • Her laugh had an echoic quality that filled the room.
    • The echoic sound of footsteps bounced off the stone walls.
  2. (of a word or sound) imitating the sound it describes; onomatopoeic.
    • The poet used echoic language to mimic the sounds of the forest.
    • Children often enjoy echoic words because they are fun to say.
    • Words like 'buzz' and 'hiss' are echoic in nature.
Antonyms
What does "echoic" mean? | whatsthatwordmean | whatsthatwordmean