周密

• Pinyin: zhōu mì
• Hanzi breakdown: 周 = 冂 + 土 + 口 (thorough); 密 = 宀 + 必 + 山 (tight, meticulous)

Meaning

Meticulous; thorough; carefully thought out. Describes planning, arrangements, or reasoning that is comprehensive and leaves no gaps.

Emphasizes completeness and precision in thinking, planning, or execution. More formal than 周到, often used for plans, investigations, or analytical work. Suggests professional-level thoroughness.

Examples

1. 警方进行了周密的调查。 The police carried out a thorough investigation.
2. 这项计划经过周密论证。 This plan has been backed by thorough analysis.
3. 他们为这次行动做了周密部署。 They made meticulous arrangements for this operation.

Usage Guide

Context: planning, investigation, academic

Tone: professional

Do Say

• 这份报告的论证周密，数据详实。(This report's argumentation is meticulous with detailed data.)
• 任何周密的计划都可能遇到意外情况。(Even the most meticulous plan may encounter unexpected situations.)

Don't Say

• 她对我很周密 — use 周到 or 体贴 for personal thoughtfulness

Origin & History

周 (thorough, complete) + 密 (tight, dense)

Cultural Context

Generation: All ages

Social background: Universal