Definition for Nonechoic:

• not echoic or imitative of sound

Synonyms for Nonechoic:

• adj.

  •all (adjective)
  • nonechoic.

Antonyms for Nonechoic:

• adj.

  • all
    echoic.
  • Other antonyms:
    onomatopoeic, onomatopoeical, onomatopoetic, imitative.