indoors

Everyday

Indoors means inside a building, not outside. tree →

In the lessons

In everyday life you go indoors when it rains or when it gets dark; there are indoor games for rainy days. In safety lessons: in a thunderstorm go indoors; keep pets indoors during fireworks; on very hot days or when the air is smoky stay indoors; never use a barbecue indoors because of poisonous gas. In health lessons children need time outdoors as well as indoors. Phrases: go indoors, stay indoors, keep indoors, indoor games.

Examples

• It's raining, so let's play indoors. tree →
• Go indoors if you hear thunder. tree →
• Keep the cat indoors on Bonfire Night. tree →
• We had PE indoors because the field was wet. tree →
• Never light a barbecue indoors. tree →
• My grandma's tomatoes grow indoors in winter. tree →
• We spent too long indoors; let's go to the park. tree →
• The swimming pool is indoors, so we can swim all year. tree →
• Whereupon he went off indoors, whistling cheerfully. tree →

Note

«Indoors» is an adverb (go indoors, stay indoors); «indoor» is the adjective before a noun (an indoor pool). Opposite: outdoors, outdoor. «Inside» is also common: «go inside».