rigor C2 Topic:Law & Government Also spelled rigour US /ˈɹɪɡɚ/ See IPA manual Freq #17990 Meanings 1 noun excessive sternness The rigor of the rule left no room for mercy. 2 noun something hard to endure The rigor of the rule left no room for mercy. 3 noun the quality of being valid and rigorous The rigor of the rule left no room for mercy. 4 noun US spelling of rigour. The rigor of the rule left no room for mercy. Thesaurus Synonyms 1 noun · excessive sternness severity 2 noun · something hard to endure asperity 3 noun · the quality of being valid... cogencyrigourvalidity ↔ Opposites leniencylaxitysoftness Word family Derived forms rigoredrigorisationrigoriserigorismrigoristicrigorizationrigorizerigorous Etymology From Old French, from Latin rigor (“stiffness, rigidity, rigor, cold, harshness”), from rigere (“to be rigid”). Topics Law & Government External links Cambridge Dictionary Wiktionary Google Images # rigor **Type:** Word **Level:** C2 **Part of speech:** noun **IPA (US):** /ˈɹɪɡɚ/ **Frequency rank:** 17990 ## Meanings 1. excessive sternness 2. something hard to endure 3. the quality of being valid and rigorous 4. US spelling of rigour. ## Examples - The rigor of the rule left no room for mercy. - The rigor of the rule left no room for mercy. - The rigor of the rule left no room for mercy. - The rigor of the rule left no room for mercy. ## Synonyms - severity - asperity - cogency - rigour - validity ## Antonyms - leniency - laxity - softness ## Derived Forms - rigored - rigorisation - rigorise - rigorism - rigoristic - rigorization - rigorize - rigorous ## Etymology From Old French, from Latin rigor (“stiffness, rigidity, rigor, cold, harshness”), from rigere (“to be rigid”). ## Topics - Law & Government markdown