Meanings
rigor1
plural rigors
- UScountableuncountableUS spelling of rigour.
- abbreviationcountableellipsisinformaluncountablemedicineEllipsis of rigor mortis.
Heat always upped the rate at which rigor gripped a corpse.
2005, Jon Courtenay Grimwood, Pashazade, page 4, paragraph 3
Rigor2
Synonyms & antonyms
nounsomething hard to endure
nounthe quality of being valid and rigorous
nounexcessive sternness
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
rigor · noun
- Latinrigor“stiffness, rigidity, rigor, cold, harshness”
- Englishrigor
From Old French, from Latin rigor (“stiffness, rigidity, rigor, cold, harshness”), from rigere (“to be rigid”).
More words from Latin
Full word history & related roots →Rigor · proper noun
- SpanishRigor
- EnglishRigor
Borrowed from Spanish Rigor; this surname is predominantly found in the Philippines.
More words from Spanish
Full word history & related roots →Rhymes & wordplay
Rhymes with rigor
Sounds the same
Cite this entry
rigor. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/rigor
“rigor.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rigor. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “rigor,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/rigor.
Source: rigor on Wiktionary, CC BY-SA 4.0.