Meaning & use

both

determiner, pronoun, conjunction·Everyday

Last updated

UK/bəʊθ/
US/boʊθ/

Meanings

  1. determinerplural

    Used before a plural noun or alone to mean the two people or things being talked about.

    Grammar: Goes before plural nouns, often before the: both parents, both of the boys.

    Patterns

    • both of someone
    • both the something

    Both my brothers play the guitar.

    I love both of these jackets.

    Both teams played well.

  2. pronounplural

    The two people or things already mentioned, taken together.

    Grammar: Takes a plural verb: both are ready.

    Patterns

    • both of us
    • both of them

    Both are good choices.

    I invited Sam and Lee, and both came.

    Both of us were tired.

  3. conjunctionfixed phrase

    Used with and to stress that two things are both true or both included.

    Grammar: Pattern both An and B, with matching grammar: both fast and cheap.

    Patterns

    • both X and Y

    The book is both funny and sad.

    She speaks both French and Spanish.

    He is both a doctor and a poet.

Common combinations

both of us
Both of us wanted the job.
both sides
Both sides agreed to talk.
both ... and
Both the food and the service were excellent.
both at once
You cannot be in both places at once.
both ways
The street is open both ways.

Synonyms and how they differ

the two
The two is plainer and used before a number-specific group: the two of us.
each
Each looks at the two one by one; both treats them together.
either
Either means one or the other, not the two together.

Opposites

Commonly confused: both or either?

both vs either

Either means one of two; both means the two together. Either of them is singular, both of them plural.

Practice

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