indoor

indoor — adjective

1. describing something that exists, happens, or is kept within a building rather t

1.形容詞A2
釋義

describing something that exists, happens, or is kept within a building rather than in the open air

例句

The children played indoor games all afternoon because it was raining outside.

indoor + noun (games) for activities inside

Mizuki prefers indoor sports like badminton and table tennis.

indoor + noun (sports) for athletic activities

同義詞
  • interior

    more formal and technical; typically describes the inside surface or space of a structure rather than activities — e.g. 'interior decorating'

  • covered

    narrower meaning, focusing on having a roof overhead — e.g. 'covered market' rather than any indoor space

  • enclosed

    emphasises being surrounded by walls or fencing; can include outdoor spaces like patios that are walled in

反義詞
  • outdoor

    the direct opposite; refers to anything happening or used in the open air

  • outside

    more general; can also function as a preposition or adverb

文法句型

indoor + noun

用法筆記

Attributive only — indoor must be placed directly before the noun it modifies (indoor pool, indoor market). Do NOT use it after a linking verb: ✗ 'The pool is indoor.' ✓ 'The pool is indoors.' — indoors is the adverb form used in predicative or adverbial positions.

常見錯誤

❌We stayed indoor because of the rain.
✅We stayed indoors because of the rain.
💡indoor is an adjective used before nouns; the adverb indoors is needed after a verb.
❌This restaurant is indoor.
✅This is an indoor restaurant.
💡indoor cannot follow a linking verb; it must come before the noun it describes.