寒気|かんきkanki[1]atamadaka (head-high)

1. nouncold; coldness; cold air
   彼女かのじょは寒気かんきを防ふせぐために厚あついコートを着きていた。↗

   She was wearing a thick coat against the chill.

• Synonym寒ささむさNeutralNeutral noun for the degree or intensity of cold, common in daily speech: 「寒さが厳しい」. 寒気 points to the cold air itself or an incoming cold air mass.
• Synonym冷えひえNeutralNeutral noun for things, air or the body turning cold, and how much: 「夜の冷え」, 「冷え性」. 寒気 is the cold air or the cold outside itself.
• Synonym寒冷かんれいWrittenWritten, geography-flavoured noun for a cold climate, as in 「寒冷地」. 寒気 stresses the cold air itself rather than the climate.
• Related低温ていおんWrittenWritten, technical term for low temperature, as in 「低温保存」. 寒気 refers to cold air or the cold outside, not a measured temperature.
• Related冷たいつめたいNeutralNeutral adjective for cold to the touch, also for a cold attitude. 寒気 is a noun for cold air, not a tactile or personal judgement.
• Related冷え冷えひえびえNeutralNeutral adverb, usually as 「冷え冷えとした」, for air that feels biting cold; it can also describe a bleak, desolate scene.
• Related冷寒れいかんWrittenWritten and uncommon word for bitter, piercing cold; in everyday speech say 「寒さ」.
• Antonym熱気ねっきNeutralNeutral noun for hot air or a heated, excited atmosphere; it contrasts with 寒気 in the temperature of the air.
• Antonym暑気しょきWrittenWritten noun for summer heat, the opposite of 寒気, as in 「暑気払い」.

Use 「寒気」 for cold air or an incoming cold air mass, as in 「寒気が流れ込む」. For everyday coldness say 「寒さ」, for things or the body turning cold 「冷え」, for a cold climate 「寒冷」, for low temperature 「低温」, for cold to the touch 「冷たい」; summer heat is 「暑気」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. （かんき）冷つめたい空気くうき。外気がいきなどの寒さむさ。