yelp /jɛlp/noun 2verb 1forms 4 noun2 •An abrupt, high-pitched noise or utterance.The puppy let out a yelp when I stepped on her tail. •A type of emergency vehicle siren sounding quicker and more intense than the wail. verb1 •To utter an abrupt, high-pitched noise.The children yelped with delight as they played in the cold water. formsyelped · yelpt · yelping · yelps