exacting

Definitions

Making great demands on one's skill, attention, or other resources.

Requiring strict accuracy or precision.

Examples

The professor is known for her exacting standards when grading research papers.

Restoring the antique clock required an exacting attention to detail that took several weeks.

Synonyms

demanding strict rigorous meticulous painstaking challenging stringent

Antonyms

lenient easygoing lax undemanding careless negligent permissive