bud

bud — noun

1. a small unopened part on a plant that can later grow into a leaf, flower, or new

1.名詞B2
釋義

a small unopened part on a plant that can later grow into a leaf, flower, or new stem

例句

The rose bud opened two days after the warm rain.

collocation: rose bud

A green bud appeared on the cherry tree in March.

同義詞
  • shoot

    A shoot is a new stem or growth, not specifically an unopened one.

  • sprout

    A sprout is the first growth from a seed or plant, often earlier than a bud.

  • blossom

    A blossom is a flower at or after opening, so it is a later stage.

反義詞
  • blossom

    A blossom is open, while a bud has not opened yet.

文法句型

a bud on a plant

flower bud

用法筆記

Often used with plant words such as rose, leaf, or flower. Distinguish from noun sense 2, which names the stage when a plant has buds rather than the small growth itself.

2. the stage when a plant has formed buds but its flowers or leaves have not opened

2.名詞C1
釋義

the stage when a plant has formed buds but its flowers or leaves have not opened yet

例句

By April, the apple trees were already in bud.

fixed phrase: in bud

Most of the roses stayed in bud during the cold week.

同義詞
  • pre-bloom stage

    This is more technical and less common in everyday English.

  • flowering stage

    This is broader and can include a later point when flowers are open.

反義詞
  • in bloom

    In bloom describes the later stage when flowers have opened.

文法句型

be in bud

come into bud

用法筆記

Usually follows be in the fixed phrase 'in bud', and sometimes follows come. Distinguish from noun sense 1, which refers to one bud rather than the whole stage of growth.

常見錯誤

The apple trees were in buds.
The apple trees were in bud.
💡The fixed phrase uses singular 'bud'.

3. a casual word for a man, especially when you speak to him without using his name

3.名詞B2
釋義

a casual word for a man, especially when you speak to him without using his name

例句

Ravi said, 'Thanks for the help, bud,' outside the station.

informal address in direct speech

At the bus stop, a stranger asked, 'Need a map, bud?'

同義詞
  • buddy

    Buddy is usually warmer and more clearly friendly.

  • pal

    Pal is casual and can sound slightly old-fashioned.

  • mate

    Mate is especially common in British English.

文法句型

say 'bud' to someone

call someone bud

用法筆記

Common in direct speech, especially from one man to another. Tone matters: it can sound friendly, rough, or slightly rude depending on the situation.

常見錯誤

Good morning, bud,' Eva said to her professor.
Good morning, Professor Lin,' Eva said.
💡'bud' is very informal and can sound rude in formal situations.

4. marijuana, especially the dried flower part that people smoke

4.名詞C1
釋義

marijuana, especially the dried flower part that people smoke

例句

The room smelled of bud after last night's party.

slang noun for marijuana

Police found bags of bud in the back seat.

同義詞
  • marijuana

    This is the standard term in general English.

  • cannabis

    Cannabis is more formal and common in legal or medical contexts.

  • weed

    Weed is a very common slang term and can sound rougher.

文法句型

smell of bud

bags of bud

用法筆記

Common in informal talk and slang. In medical, legal, or careful writing, cannabis or marijuana is more neutral.

bud — verb