bo

A child says "bo!" to a goose in the park.

Definition

Interjection:
- A sound used to startle or frighten someone: "bo" is an exclamation used to surprise or scare someone, often playfully, especially when jumping out from hiding.
Noun:
- An abbreviation for "boyfriend" or "beau": In informal or slang usage, "bo" can refer to a romantic partner, typically a boyfriend or male sweetheart.
- A term of address for a friend: In American English slang, "bo" can be used as a friendly or affectionate way to address a male friend or acquaintance.
- A type of tree: In botany, "bo" refers to the bodhi tree (Ficus religiosa), sacred in Buddhism.

Usage Examples

Interjection:
- He jumped out from behind the door and shouted "bo!" to scare his little sister. (He used the exclamation to startle her playfully.)
Noun:
- She introduced her new bo at the party. (She introduced her boyfriend.)
- Hey, bo, let's grab a drink after work. (A friendly address to a male friend.)
- The bo tree is considered sacred in many Buddhist traditions. (The bodhi tree.)

Advanced Usage

"can't say bo to a goose": An idiomatic expression meaning to be extremely timid or shy.
- He's so quiet; he can't say bo to a goose. (He is too shy to assert himself.)
"bo" as a verb (rare): In some dialects, "bo" can mean to make a frightful noise or to startle.
- The children boed each other in the dark. (They made a sound to scare one another.)

Variants and Related Words

Bodhi (n): The state of enlightenment attained by a Buddhist, associated with the bo tree.
- The monk achieved bodhi under the bo tree. (Enlightenment.)
Beau (n): A romantic partner, especially a boyfriend; related to "bo" in slang.
- Her beau brought her flowers. (Her boyfriend.)

Synonyms

Phrasal Verbs

Bo out (informal, rare): To suddenly shout "bo" at someone.
- The prankster boed out at his friend from the closet. (He shouted "bo" suddenly.)

Related Idioms