really thorough / very strict about

rigorous

adjective|/ˈrɪɡ.ər.əs/

Extremely thorough and careful

Examples

In a meeting

The application process requires rigorous background checks.

Over coffee

My trainer has a rigorous workout routine that exhausts me.

Why this word

strict

Strict means enforcing rules firmly, while rigorous emphasizes thoroughness, precision, and demanding standards

thorough

Thorough means complete, while rigorous adds the dimension of exacting standards and systematic precision

tough

Tough is informal and vague, while rigorous specifically conveys intellectual or methodological exactitude and comprehensiveness

Usage tip

Use to describe processes or standards that are demanding and thorough; implies high standards

Etymology

Latin: rigor 'stiffness, hardness', from rigere 'to be stiff'

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