conscientious.

Careful to do work properly and fulfill responsibilities.

Use it for

Words that belong together

• conscientious worker
• conscientious effort

On the page

A conscientious archivist recorded every alteration.

Usage notes

Primary category: psychology / human behavior. Forms: Comparative more conscientious; superlative most conscientious when comparison is meaningful. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: character, behavior. Commonness: moderately common.