boo
12 synonyms and 2 antonyms for boo, grouped by meaning and by how common each one is.
Intj — An exclamation shouted to scare someone, usually while jumping out unexpectedly.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Synonyms by Meaning
1. intj
An exclamation shouted to scare someone, usually while jumping out unexpectedly.
“The little girl hid behind the sofa and shouted "boo!" at her dad.”
Opposites
2. verb
To shout disapproval, especially at a performance or event.
“Some of the audience began to boo when the singer forgot the words.”
Opposites
How to use boo
The word patterns that sound natural to a native speaker.
The "sweetheart" sense is informal slang, common in casual speech and social media.
Etymology
From an earlier form "boh," coined to imitate a sudden, startling shout.
Full origin of boo →