- A word or expression denoting something that is regarded with disapproval or dislike: positivism has become something of a boo word among many social scientistsMore example sentences
- It's obviously what Ian Kershaw (historian) called a fashionable boo word.
- Mention has been made here before of an old university tutor of mine who used to divide the language into hooray words and boo words.
- Why, I wonder… because it's a sort of code word or a boo word or laziness or what?
More definitions of boo wordDefinition of boo word in:
- The US English dictionary