入念|にゅうねんnyuunen[0]heiban (flat)

1. na-adjective, nouncareful; elaborate; scrupulous
   彼かれは入念にゅうねんに書類しょるいを見みた。↗

   He had a good look at the papers.

• Synonym丹念たんねんNeutralAdjectival noun for doing something patiently, lavishing care bit by bit, as in 「丹念に調べる」; stresses patience and meticulousness.
• Synonym丁寧ていねいNeutralAdjectival noun for careful, conscientious work or for politeness, as in 「丁寧に書く」; the most common everyday choice.
• Synonym念入りねんいりNeutralAdjectival noun with the same meaning as 「入念」 but more colloquial, as in 「念入りに化粧する」.
• Synonym細密さいみつWrittenWritten word for extreme fineness and precision: 「細密画」 for finely detailed painting, also used of surveys and analysis; 「入念」 stresses repeated, painstaking effort.
• Synonym注意深いちゅういぶかいNeutralAdjective for being alert and careful, as in 「注意深く観察する」; stresses watchful attentiveness.
• Synonym綿密めんみつWrittenAdjectival noun for plans and investigations so thorough that nothing is missed, as in 「綿密な計画」; leans toward written style.
• Synonym細心さいしんWrittenAdjectival noun for extreme caution, used mostly in 「細心の注意」; stresses concentrated attention.
• Synonym緻密ちみつWrittenAdjectival noun for precision and rigor, as in 「緻密な構成」; stresses a tight, rigorous structure.
• Synonym周到しゅうとうWrittenAdjectival noun for thorough preparation and forethought, as in 「用意周到」; stresses arrangements made in advance.
• Synonymきめ細かきめこまかNeutralAdjectival noun for a fine texture, and for attentive, thorough service, analysis or arrangements, as in 「きめ細かなサービス」; 「入念」 stresses repeated, painstaking effort.
• Related慎重しんちょうNeutralAdjectival noun for acting with caution to avoid mistakes, as in 「慎重に判断する」; stresses a prudent attitude.
• Related細かいこまかいNeutralAdjective for small or fine things, or for fussing over trifles, as in 「細かい字」; broad in use and not specifically about taking care.
• Related細かこまかNeutralAdjectival noun for fine detail, as in 「細かに説明する」; leans toward written style.
• Related精細せいさいWrittenWritten word for rich, fine detail, used of images, delicate craftwork, descriptions and the like; 「入念」 stresses repeated, painstaking effort.
• Related精緻せいちWrittenAdjectival noun for exquisite, delicate workmanship, as in 「精緻な細工」; written style, with a note of praise.
• Related徹底的てっていてきNeutralAdjectival noun for exhaustive action that leaves nothing undone, as in 「徹底的に調べる」; stresses degree of thoroughness.
• Related詳しいくわしいNeutralAdjective for detailed explanations or for knowing a subject well, as in 「詳しい説明」「歴史に詳しい」.
• Related詳細しょうさいWrittenNoun for details and particulars, as in 「詳細はこちら」; stresses completeness of the information.
• Related事細かことこまかNeutralAdjectival noun for recounting every last detail, as in 「事細かに話す」; stresses exhaustive narration.
• Antonym粗雑そざつWrittenAdjectival noun for coarse, slapdash work; the direct opposite of careful, painstaking 「入念」.
• Antonym大雑把おおざっぱNeutralAdjectival noun for rough, careless work, common in speech; the opposite of careful thoroughness.

Use 「入念」 for doing something with extra care and repeated checking, as in 「入念に準備する」. In speech, 「念入り」 is the colloquial equivalent; pick 「丹念」 for patient, painstaking work, 「丁寧」 for everyday conscientiousness, 「綿密」 for airtight plans and 「慎重」 for caution. For rough, careless work, 「大雑把」 is the word.

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

1. 念ねんを入いれて何なんかをすること。注意ちゅういを払はらいながらことにあたること。