精細|せいさいseisai[0]heiban (flat)

1. na-adjective, nounfine; minute; detailed; meticulous; precise

• Synonym精密せいみつWrittenWritten style. It means precise with no flaws or deviations, as in 「精密機械」; the emphasis is on accuracy rather than fine detail.
• Synonym精緻せいちWrittenWritten style, used mostly of theories and craftsmanship. It suggests refined, intricate fineness — more exacting than 「精細」.
• Synonym緻密ちみつWrittenWritten style. It describes plans, reasoning and the like that are airtight, with nothing overlooked, as in 「緻密な計画」; the stress is on leaving no gaps.
• Synonym綿密めんみつWrittenWritten style. It means careful and exhaustive down to the details, as in 「綿密な調査」; the emphasis is on painstaking care.
• Synonym細密さいみつWrittenWritten style, meaning finely detailed, as in 「細密画」 or 「細密な分析」; 「精細」 leans more toward fine images and descriptions.
• Synonym細かこまかNeutralNeutral. It covers both small in size and detailed, as in 「細かな点」 or 「細かな配慮」; common in writing as well.
• Synonym細かいこまかいNeutralNeutral and the most everyday word. It means small or fine, often with a hint of trivial; it does not specifically convey refined precision.
• Synonym詳しいくわしいNeutralNeutral and the most common choice. It means detailed, as in 「詳しい説明」, and also well-informed about something.
• Synonym明細めいさいNeutralNeutral. It refers to details spelled out item by item, as in 「明細書」 (an itemized statement).
• Synonym精確せいかくWrittenWritten style and fairly rare. It stresses being both detailed and accurate, while 「精細」 centers on exhaustive detail and fine, sharp images or descriptions.
• Synonym精到せいとうWrittenWritten style and rare. It means meticulous and thorough, attending to every point.
• Synonym詳密しょうみつWrittenWritten style and rare. It means detailed and thorough, with attention paid to every corner.
• Related厳密げんみつNeutralNeutral. It means strict and exact, as in 「厳密に言えば」; the emphasis is on rigor.
• Related丹念たんねんWrittenWritten style. It describes doing something with devoted, painstaking care, as in 「丹念に調べる」.
• Related入念にゅうねんWrittenWritten style. It means done with extra care and attention, as in 「入念な準備」.
• Relatedきめ細かきめこまかNeutralNeutral. It covers fine texture and attentive thoroughness, as in 「きめ細かなサービス」; it carries a warmer, more considerate nuance than 「精細」.
• RelatedつまびらかWrittenWritten style, meaning detailed, as in 「詳らかにする」; the emphasis is on clarity.
• Antonym粗雑そざつNeutralNeutral antonym. It means rough and careless, the direct opposite of the fineness of 「精細」.
• Antonym粗略そりゃくWrittenWritten-style antonym. It means sketchy and slipshod, contrasted with 「精細」.

Use 「精細」 for fine detail in pictures, images and descriptions, as in 「高精細画面」 and 「精細な描写」. For the plain sense of 'detailed', 「詳しい」 is the everyday default; for thorough, gap-free work, turn to 「緻密」 or 「綿密」. 「精密」 stresses accuracy, 「厳密」 rigor, 「精緻」 refined fineness, and 「きめ細か」 a considerate touch. For rough, careless work, say 「粗雑」.

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

1. 細こまかな点てんまで詳くわしいこと。