ENGLISH
REFERENCE

outdoor

adj.
US //ˈaʊtˌdɔɹ// UK //aʊtdˈɔː// out·door
  1. 1 outside in the open air (adj.)
    B1 Intermediate

    happening or used outside, not inside a building.

    situated in, designed for, or carried on in the open air rather than within an enclosed structure.

    Example

    We decided to have an outdoor party because the weather was so warm.

    Example

    The city council invested in several outdoor gyms to encourage residents to exercise in the fresh air during the summer months.

    Usage

    This is an attributive adjective, meaning it almost always appears before the noun it describes.

    Pitfall
    I like to play outdoor.
    I like to play outdoors.

    Use 'outdoor' as an adjective before a noun (outdoor sports). Use 'outdoors' as an adverb to describe where an action happens.

Origin

From out- + door.

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