邪険・邪慳|じゃけんjaken[1]atamadaka (head-high)

1. na-adjective, nouncruel; hard-hearted; harsh; unkind
   邪険じゃけんにしないで下くださいよ！↗

   Please don't be cold!

• Synonym冷たいつめたいNeutralEveryday word for a cold, indifferent attitude; it also covers low temperature, and lacks the harsh, mean edge of 「邪険」.
• Synonym冷淡れいたんWrittenWritten/formal: indifference and lack of sympathy; it describes an attitude but is less harsh than 「邪険」.
• Synonym無情むじょうWrittenWritten/formal: a complete lack of compassion, said of people, acts or fates, as in 「無情な仕打ち」; less harsh than 「邪険」.
• SynonymつれないCasualColloquial, with a literary tinge: it stresses brushing people off, being unresponsive to them.
• Related冷ややかひややかNeutralNeutral: an icy attitude or manner, as in 「冷ややかな返事」「冷ややかな目」; it lacks the harshness of 「邪険」.
• Related無愛想ぶあいそうNeutralNeutral: unfriendly and short with people, stressing a sour face and not responding — a matter of expression.
• Related他人行儀たにんぎょうぎNeutralNeutral: acting overly formal and distant with someone close, as if they were a stranger; it is not mean like 「邪険」.
• RelatedよそよそしいCasualColloquial: standoffish in manner, stressing a sense of distance and lack of closeness.
• RelatedけんもほろろCasualColloquial: coldly and curtly turning down a request; it is about the rejection itself.
• Antonym親切しんせつNeutralAntonym: warm-hearted, helpful and considerate — the opposite of 「邪険」's mean, harsh treatment.
• Antonym優しいやさしいCasualColloquial antonym: gentle and caring toward people, the opposite of 「邪険」's meanness.

For cold-hearted, mean treatment of a person, use 「邪険」, usually as 「邪険に扱う」 or 「邪険にする」. For plain coldness or indifference, 「冷たい」 or 「冷淡」; for treating someone like a stranger, 「よそよそしい」. 「親切」 and 「優しい」 are the warm opposites.

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

1. 慈悲じひの心こころが無なく、物事ものごとを荒あらく扱あつかうこと。意地いじが悪わるいこと。