不親切|ふしんせつfushinsetsu[2]nakadaka (mid-high)

1. na-adjective, noununkindness; unfriendliness
   彼かれは金持かねもちだけれども、不親切ふしんせつだ。↗

   Though he is rich, he is unkind.

• Synonym冷淡れいたんWrittenA formal, written word; stresses indifference and a lack of sympathy, as in 「冷淡な態度」.
• Synonym冷たいつめたいCasualColloquial; stresses a cold, heartless attitude, and also means physically cold — a sense 「不親切」 lacks.
• SynonymつれないCasualColloquial, with a literary tinge; stresses ignoring people or giving them the cold shoulder.
• Related無愛想ぶあいそうNeutralCold and unsmiling; stresses a brusque, off-putting manner shown in the face. Stronger than 「不親切」 in emphasizing a sour expression rather than a lack of help.
• Related冷ややかひややかWrittenA formal, written word; stresses a coldly detached, aloof attitude of looking on from the sidelines.
• RelatedとげとげしいNeutralStresses barbed, hostile words or manner; more aggressive than 「不親切」, which is simply a lack of warmth.
• Related不人情ふにんじょうWrittenA formal written word, rarely used; stresses lack of human warmth — heartlessness — rather than mere lack of help.
• RelatedいけずCasualColloquial Kyoto dialect; stresses being mean on purpose — deliberately making things hard for someone.
• Antonym親切しんせつNeutralAntonym: warm, helpful and attentive — the direct opposite of 「不親切」's coldness and lack of care.

Use 「不親切」 for a lack of warmth or attentiveness toward people, and also for unhelpful things such as 「不親切な説明」. For a brusque, sour-faced manner pick 「無愛想」; for cold indifference pick 「冷たい」 or 「冷淡」.

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

1. 親切しんせつでないこと。また、その様子ようす。