緻密|ちみつchimitsu[0]heiban (flat)

1. na-adjective, nounfine (grain, workmanship, etc.); close (weave); delicate; intricate; elaborate
2. na-adjective, nounprecise; accurate; careful; meticulous; close (e.g. observation); minute; elaborate (e.g. plan)
   彼かれは緻密ちみつに立たてた計画けいかくを実行じっこうした。↗

   He carried out the plan he had made in detail.

• Synonym精細せいさいWrittenWritten word for fine, clear detail; 「緻密」 stresses being airtight, with no gaps or omissions.
• Synonym精緻せいちWrittenWritten-style word meaning fine and rigorous; very close to 「緻密」 but even more literary.
• Synonym細密さいみつWrittenWritten word for extremely fine detail, often with paintings and crafts; 「緻密」 is used more for plans and thinking.
• Synonym細かいこまかいNeutralMeans small in size or trivial, and can be neutral or critical; 「緻密」 is a positive word for rigor and thoroughness.
• Synonym細かこまかNeutralMeans small or detailed, common in writing too as in 「細かな配慮」, and can also mean stingy; 「緻密」 is positive rigor.
• Synonym綿密めんみつWrittenDescribes thorough plans and investigations; very close to 「緻密」, which can also describe a fine, dense texture in materials.
• Synonym精巧せいこうWrittenRefers to exquisite workmanship, mostly for objects; 「緻密」 is used more for thinking and planning.
• Synonym厳密げんみつWrittenMeans strict, allowing no deviation, as in 「厳密に言えば」; 「緻密」 stresses meticulous thoroughness.
• Synonym細心さいしんWrittenMeans careful and cautious, mostly in 「細心の注意」; 「緻密」 is about plans and structure.
• Synonym精密せいみつWrittenMeans precision, mostly for machines and examinations as in 「精密機械」; 「緻密」 is used more for plans and thinking.
• Synonym丹念たんねんWrittenDescribes painstaking, devoted effort, stressing attitude, as in 「丹念に調べる」; 「緻密」 stresses airtight content.
• Synonym入念にゅうねんWrittenDescribes doing something attentively and thoroughly; 「緻密」 speaks of a tight structure.
• Synonymきめ細かきめこまかNeutralDescribes a fine, smooth texture, and also attentive service or care; 「緻密」 leans toward rigorous structure and planning.
• Related精妙せいみょうWrittenLiterary word for something exquisitely ingenious; 「緻密」 stresses rigor instead.
• Related詳しいくわしいNeutralMeans detailed or knowing something very well; 「緻密」 describes rigorous structure or thinking.
• Related念入りねんいりNeutralDescribes doing something with care and thoroughness; 「緻密」 stresses a tight, rigorous structure.
• Related凝ったこったNeutralDescribes something elaborate and made with care and ingenuity; 「緻密」 stresses rigor.
• Related正確せいかくNeutralMeans accurate and free of errors; 「緻密」 stresses thoroughness.
• Related明細めいさいWrittenRefers to itemized details, as in 「明細書」; used quite differently from 「緻密」.
• Related精確せいかくWrittenMeans detailed and accurate; 「緻密」 stresses rigor with nothing left out.
• Antonym粗いあらいNeutralAntonym: coarse in texture or grain, opposite of the fine 「緻密」; can also describe sloppy work.
• Antonym大雑把おおざっぱNeutralAntonym: rough and unconcerned with details, the opposite of 「緻密」 when judging how thorough plans or thinking are.
• Antonym粗雑そざつWrittenWritten antonym: crude and careless, the opposite of the rigor and fineness of 「緻密」.

Use 「緻密」 for rigorous plans and thinking, with 「綿密」 as its closest partner. For machine precision say 「精密」, for attentive care or service 「きめ細か」, for fine craftsmanship 「精巧」, for strictness 「厳密」, for accuracy 「正確」. The opposites are 「粗い」, 「大雑把」 and 「粗雑」.

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

1. （外面がいめんから）きめが細こまかいこと。
2. （計画けいかくや思索しさくなどに）漏もれや手落ておちの無ないさま。