outdoor
UK/'autdɒ:/US
B1
Definitions
adj.
Located in, used in, or designed for the open air rather than inside a building.
户外的、室外的（位于、用于或为露天而设计，而非在室内）。
Root Breakdown
Root-derivedout + door = 'beyond the door,' i.e., in the open air. Outdoor is the adjective form (it modifies a noun); its sibling outdoors is the noun/adverb. So: outdoor furniture, but eat outdoors.
Root door still carries 5 more wordsUsage Guide
outdoor vs outdoors: outdoor is an adjective before a noun (outdoor pool, outdoor gear). outdoors is the adverb/noun (play outdoors; the great outdoors). Rule of thumb: if a noun follows, use outdoor; otherwise outdoors.
Example Sentences
- 1.
They planned a range of outdoor activities for the summer camp.
- 2.
We bought new outdoor furniture for the garden.
- 3.
The festival features an outdoor concert every evening.