Boo
Boo noun - A vocal sound made to express scorn or disapproval.
Usage example: the referee's questionable call was greeted with a chorus of boos
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Synonyms for Boo
Raspberry is a synonym for boo in decry topic. In some cases you can use "Raspberry" instead the word "Boo" as a noun or a verb, when it comes to topics like hiss, sounds. popular alternative
Raspberry
Raspberry noun - A vocal sound made to express scorn or disapproval.
Usage example: there were raspberries from the audience when the hapless actress kept forgetting her lines
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Synonyms for Raspberry
Mutual synonyms
Both words in one sentence
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Cooke will put her hands on the side of her head and waggle her fingers in the 'na na na na boo boo' motion, while blowing a raspberry.
Source: I Shall Taunt You -
Monsters, Inc.: Boo blows a raspberry at Randall, whose door got destroyed by Sulley and Mike so he couldn't come back.
Source: Blowing a Raspberry
Cite this Source
Raspberry and Boo. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/boo/raspberry
Boo & Raspberry. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/boo/raspberry>.
Raspberry or Boo. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/boo/raspberry.
Google Ngram Viewer shows how "boo" and "raspberry" have occurred on timeline