- 1. a. Manifesting, exercising, or favoring rigor; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration. Source: opted
- 2. a. Severe; intense; inclement; as, a rigorous winter. Source: opted
- 3. a. Violent. Source: opted
- 4. adj. rigidly accurate; allowing no deviation from a standard Source: wordnet
- 5. adj. demanding strict attention to rules and procedures Source: wordnet
- 6. j:100 s. rigidly accurate; allowing no deviation from a standard s. demanding strict attention to rules and procedures Source: ecdict
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