[{"Bold_text": "noun", "List Items": ["a mixture of nitrogen, oxygen, and minute amounts of other gases that surrounds the earth and forms its atmosphere.", "a stir in the atmosphere; a light breeze.", "overhead space; sky :The planes filled the air.", "circulation ; publication ; publicity :to give air to one's theories.", "the general character or complexion of anything; appearance :His early work had an air of freshness and originality.Synonyms: aspect", "the peculiar look, appearance, and bearing of a person:There is an air of mystery about him.Synonyms: attitude , aura , aspect , demeanor", "airs,affected or unnatural manner; manifestation of pride or vanity; assumed haughtiness:He acquired airs that were insufferable to his friends.", "Music.a tune; melody .the soprano or treble part.an aria .Alsoayre.an Elizabethan art song.", "a tune; melody .", "the soprano or treble part.", "an aria .", "Alsoayre.an Elizabethan art song.", "aircraft as a means of transportation:to ship goods by air.to arrive by air;to ship goods by air.", "Informal.air conditioning or an air-conditioning system:The price includes tires, radio, and air.", "Sports.(during an airborne stunt) the height between the ground and an athlete or an athlete with their equipment:The BMX course was designed for riders to get good air.such a jump or other airborne stunt:The snowboarder took first place with four clean airs.", "(during an airborne stunt) the height between the ground and an athlete or an athlete with their equipment:The BMX course was designed for riders to get good air.", "such a jump or other airborne stunt:The snowboarder took first place with four clean airs.", "Radio.the medium through which radio waves are transmitted.", "Archaic.breath."]}, {"Bold_text": "verb (used with object)", "List Items": ["to expose to the air; give access to the open air open air; ventilate (often followed byout):We air the bedrooms every day.", "to expose ostentatiously; bring to public notice; display :to air one's opinions;to air one's theories.", "to broadcast or televise."]}, {"Bold_text": "verb (used without object)", "List Items": ["to be exposed to the open air (often followed byout):Open the window and let the room air out.", "to be broadcast or televised."]}, {"Bold_text": "adjective", "List Items": ["operating by means of air pressure air pressureor by acting upon air:an air drill;an air pump.", "of or relating to aircraft or to aviation:air industry.", "taking place in the air; aerial :air war."]}, {"Bold_text": "adjective", "List Items": ["early ."]}, {"Bold_text": "adverb", "List Items": ["Obsolete.before; previously."]}, {"Bold_text": "noun", "List Items": ["a region in northern Niger, in the Sahara: low massif and oases. About 30,000 sq. mi. (77,700 sq. km)."]}]