Ultrasonic noise Synonyms

Ultrasonic replaced

Definitions for Ultrasonic


  • (adjective) having frequencies above those of audible sound

Synonyms for phrase

UN abbreviation

UN is an abbreviation for Ultrasonic Noise
What does UN stand for?
UN stands for "Ultrasonic Noise"

Noise replaced

Definitions for Noise


  • (noun) loud, confused, and usually inharmonious sound
  • (noun) a violent shouting
  • (noun) information or opinion that is widely disseminated without any authority or confirmation of accuracy