Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

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Children's Dictionary


parts of speech:
noun, verb
into thin air, on the air, up in the air, off the air
Homophone Note, Word Builder, Word Explorer
part of speech: noun
definition 1: the mixture of gases that surrounds the earth. Air is made up of oxygen, nitrogen, and other gases, and has no taste, odor, or color.
Smoke from the factories is polluting the air.
similar words:
atmosphere, gas, oxygen, ozone, stratosphere
definition 2: all that is above the ground; sky.
The kite flew high up in the air.
heaven, sky
similar words:
atmosphere, ether, stratosphere
definition 3: movement of the atmosphere; breeze or wind.
We enjoyed the cool air coming in through the window.
similar words:
breath, breeze, current, draft
definition 4: the way a thing or person appears to be.
The magician had an air of mystery.
atmosphere, character
similar words:
appearance, aspect, bearing, climate, feel, impression, manner, spirit, style, tone
phrase: into thin air
phrase: on the air
phrase: up in the air
part of speech: verb
inflections: airs, airing, aired
definition 1: to open to the air or put outdoors.
We aired out the house on the first warm day.
similar words:
definition 2: to speak about, usually in public.
He aired his problems.
similar words:
broadcast, display, present, vent
phrase: off the air
Homophone Note
The words air, ere, and heir sound alike, but each has a different meaning.
Word Builder: air +
  • airbag:
    a large bag that fills with air to make a cushion when a car crashes. It protects the people in the car.
Word Explorer
broader category including air
parts of the body associated with air
relating to lack of air air
some actions involving air
some components of air
some descriptions of air
some instruments that measure air
some sounds of air
some things that use air