なおざり・等閑naozari[0]heiban (flat)

1. noun, na-adjectiveneglect; negligence; disregard; making light of
   彼かれらは自分じぶんたちの義務ぎむをなおざりにはしなかった。↗

   They didn't neglect their own duty.

• Synonym軽視けいしNeutralTreating something as unimportant, often problems or opinions; 「なおざり」 is about not taking due care of what one should do, leaving it unattended.
• Synonym不行き届きふゆきとどきWrittenWritten: care or management falling short of thoroughness; often used in apologies, as in 「不行き届きをお詫びします」; not necessarily from making light of things.
• Synonym無視むしNeutralCommon word for ignoring someone or something; can be deliberate. 「なおざり」 is about not taking proper care, not necessarily an outright refusal to deal with it.
• Synonym怠慢たいまんWrittenWritten: neglect of one's duties or responsibilities, as in 「職務怠慢」; carries a tone of censure.
• Synonym度外視どがいしWrittenWritten: leaving a factor out of account, as in 「採算を度外視する」; a deliberate decision not to count it, not an oversight.
• Synonym黙殺もくさつWrittenWritten: deliberately ignoring an opinion or proposal; more intentional and more complete than 「なおざり」.
• Synonym怠りおこたりWrittenWritten: negligence or slackness; often in negative phrases like 「怠りなく準備する」, meaning to prepare without lapse.
• Synonym軽んじるかろんじるNeutralA verb: to make light of something, as in 「規則を軽んじる」; about holding it cheap in one's mind, while 「なおざり」 is about doing things half-heartedly.
• Synonym閑却かんきゃくWrittenWritten: leaving something unattended, ignoring it; rarer than 「なおざり」 and seldom used in daily speech.
• SynonymないがしろNeutralNot taking someone or something to heart, as in 「家族を蔑ろにする」; often carries disrespect toward the person; 「なおざり」 is about neglecting one's duties.
• Synonym緩怠かんたいWrittenWritten and old-fashioned: slackness, failing in one's duties; close to 「なおざり」 in sense, but 「怠慢」 is the everyday word.
• SynonymゆるがせWrittenWritten: carelessness, much like 「なおざり」; mostly in the negative 「ゆるがせにしない」, meaning to handle things with full care.
• Synonym蔑するなみするWrittenWritten and archaic: to slight or disregard; more contemptuous than 「なおざり」 and rarely used today.
• Synonym疎慢そまんWrittenWritten and old-fashioned: slipshod, sloppy workmanship; in daily speech 「いい加減」 is the usual word.
• Related手落ちておちNeutralAn oversight or fault, pointing to a specific slip or omission; 「なおざり」 describes the attitude of not taking things seriously.
• Related手抜きてぬきCasualColloquial: deliberately cutting corners, as in 「手抜き工事」; the stress is on saving effort on purpose, while 「なおざり」 stresses neglect.
• Related緩みゆるみNeutralSlackness or loosening, as in 「気の緩み」; about the mind going slack, not about handling a task half-heartedly.
• RelatedやりっぱなしCasualColloquial: starting or doing something and then walking away from it, as in 「やりっぱなしにする」; the point is leaving loose ends unfinished and untidied.
• Related粗放そほうWrittenWritten: rough and unrefined; also used for extensive farming, as in 「粗放農業」; 「なおざり」 stresses neglectful treatment.
• RelatedたるみNeutralAlso physical loosening of screws or a letup in cold, as in 「寒さの緩み」; only the mental-slackness sense relates to 「なおざり」.
• Antonym専念せんねんNeutralAntonym: devoting oneself fully, as in 「仕事に専念する」; the opposite of 「なおざり」's not taking one's duties to heart.
• Antonym熱心ねっしんNeutralAntonym: zealous and earnest, as in 「熱心に勉強する」; the opposite of 「なおざり」's slapdash manner.

To say you are not taking proper care of what you should and leaving it unattended, use 「なおざりにする」, as in 「勉強をなおざりにする」; 「おろそかにする」 is also common. For deliberate ignoring, use 「無視」. 「軽視」 and 「軽んじる」 mean holding something cheap; 「不行き届き」 is care falling short, often in apologies; 「手落ち」 a specific slip; 「怠慢」 neglect of duty; 「やりっ放し」 and 「手抜き」 leaving work unfinished or cutting corners; 「度外視」 and 「黙殺」 deliberate disregard; 「専念」 and 「熱心」 the opposites.

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

1. いい加減かげんにすること。なおざりにすること。
2. なおざりにする。