outdoor
The indoor flower market is a big tourist attraction.
He has vaulted 6.02 m in indoor competitions this year.在今年的室内比赛中他跃过了6.02米的高度。
These slippers are just for indoor wear - you'll ruin them if you wear them in the garden.
I always thought cyclamen was an indoor plant, but this is the tougher, outdoor variety.
He's gone to play indoor football with his mates at the leisure centre.

SMART Vocabulary: related words and phrases

In & at
depth
en-
endogenous
from withinidiom
hereunder
in
indoors
inner
inner circle
innermost
inside
interior
interiority
inward
midst
on a dimeidiom
there
therein
track
ubiety

indoor | American Dictionary

indoor
adjective[ not gradable ]
us/ˈɪnˌdɔr, -ˌdoʊr/
happening, used, or being inside a building:
indoor sports
indoor plumbing
an indoor swimming pool

indoors

adverb[ not gradable ]us/ˌɪnˈdɔrz, -ˈdoʊrz/
Come indoors, it’s cold outside.

Examples of indoor

indoor
The ethanol is placed in the indoor lower corridor and the acetone in the upper corridor.
About 200 passengers enjoyed the indoor spas every day and the male :female ratio of indoor spa users was 3 :2.
They still apply wherever we walk, whether it be in parking lots, along storefronts, suburban pavements, or indoor shopping malls.
The number of females collected per trap-night was compared with that of daytime indoor resting, outdoor resting, indoor man-landing and outdoor man-landing collections.
The application of a functionally similar homing method to indoor navigation is currently under investigation.
Regarding the latter case, we have tested the vision system and adjusted it to work in typical indoor environment rooms.
In offering indoor rooms for females, the reform campaign had identified an area in which change was welcomed.
During the 1830s and 1840s as respectable politics moved to indoor venues, the authorities increasingly regulated and restricted remaining open-air gatherings.
This is crucial for policies to combat indoor air pollution.
However, one important issue that was not considered in this study concerns indoor air pollution due to inefficient use of crop residues in rural households.
This experiment is intended to simulate an indoor environment such as a mine, factory building or subway tunnel.
Experimental data show the effectiveness of the designed sensor in indoor environments.
They represent a large panel of possible situations in indoor environments.
One probable explanation is that the indoor spas have no air compressors and therefore fewer aerosols.
Analysis of risk factors for infection suggested contamination of indoor kitchen, bathroom, toilet, and waste disposal area.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.