demanding

Definitions

Requiring much skill, effort, or attention.

Insistent on having one's requirements or expectations met; difficult to satisfy.

Examples

The marathon is a physically demanding race that requires months of intense training.

She has a very demanding job that often requires her to work late into the evening.

The professor is known for being a demanding instructor who expects high-quality work from all students.

Synonyms

challenging exacting rigorous taxing strenuous burdensome onerous

Antonyms

easy simple lenient undemanding effortless facile permissive