B1adverb2K

Indoors

UK /["/ˌɪnˈdɔːz/"]/US /["/ˌɪnˈdɔːrz/"]/

Definition

inside or into a building

In simple words: Inside a building or structure.

Examples

  • I prefer to **stay indoors** in this really hot weather.
  • Let's go indoors.
  • I was indoors watching TV when I heard shouting in the street.
  • Many herbs can be grown indoors.
  • She added that in Hong Kong most cats were kept indoors.

Usage notes

Use 'indoors' when referring to activities or conditions that occur inside. Avoid using it in formal contexts where precise terms might be preferred, such as 'within a building.'

Grammar pattern

standalone adverb

Memory hint

Think of 'indoor plants' that thrive inside, so 'indoors' means inside.

Collocations

  • stay indoors
  • bring indoors
  • play indoors

Synonyms

  • inside
  • within
  • indoors

Antonyms

  • outdoors

Common mistakes

  • 'Indoors' vs 'in door' confusion. It's one word, not two.
  • Using 'indoors' for outdoor activities.
  • Confusing with 'inside' — while similar, 'indoors' specifically refers to within a building.