big

/bɪg/

Reviewed on

Type

Adjective

Meaning

  1. Large in size, number, or amount.

    • They live in a big house with a huge backyard.

  2. Important or serious.

    • Moving to a new city is a big decision.

  3. Older (used about a brother or sister, mainly in informal speech).

    • My big sister taught me how to ride a bike.

  4. Doing something a lot or liking something very much.

    • I'm a big fan of spicy food.

How it's used

When this means “comes before the noun, or after 'be'”

  • big + noun

That's a big problem. / The room is big.

When this means “someone who does or likes something a lot”

  • a big + person noun (fan, eater, reader)

My dad is a big reader.

When this means “the comparative and superlative double the 'g'”

  • bigger/biggest

This is the biggest pizza I've ever seen.

Collocations

  • big city
  • big smile
  • big mistake
  • big day
  • big change
  • big brother
  • big sister
  • big fan
  • big eater

Synonyms

Antonyms

Idioms

  • a big deal

    something important or exciting; 'no big deal' means it is not important

    Don't worry about the spill. It's no big deal.

  • think big

    to have large, ambitious plans

    If you want to grow your business, you have to think big.