LATIN DICTIONARYLexicon Latīnum
noun · masculinethird declension

rigor

rigor m (genitive rigōris)
Classical[ˈrɪ.ɡɔr]Ecclesiastical[ˈriː.ɡor]

Meaning

  1. masculinestiffness, rigidity
  2. masculinerigor, cold, harshness, severity

Latīnē defined in Latin in our graded readers

frīgus dūrum
rigor -ōris (m) — in Epistulae, ch. 7

Declension

declension
formsingularplural
nominativerigorrigōrēs
genitiverigōrisrigōrum
dativerigōrīrigōribus
accusativerigōremrigōrēs
ablativerigōrerigōribus
vocativerigorrigōrēs

rĭgor, ōris, m. rigeo,
I. stiffness, inflexibility, rigidity, numbness, hardness, firmness, rigor (not freq. till after the Aug. per.; not in Cic.; cf. durities).
I. Lit.: tandem bruma nives affert pigrumque rigorem, Lucr. 5, 746: cervicis, stiffness, rigidity, Plin. 28, 12, 52, § 192; 32, 8, 28, § 89; cf.: immobilis faciei, Quint. 9, 3, 101: vultus (in portraits), Plin. 35, 9, 35, § 58: nervorum, i. e. a cramp, spasm, Cels. 2, 1 and 7; so too simply rigor; and in plur., Plin. 26, 12, 81, § 130; 35, 6, 27, § 46.—
B. Esp.
1. A straight course or direction: fluminis, Dig. 43, 12, 1, § 5; cf. stillicidii, ib. 8, 2, 41; hence, in the agrimensores, a straight line or course (opp. flexus), Front. Expos. Form. p. 38 Goes.; Aggen. Limit. p. 46 fin.; Sicul. Fl. p. 5; Front. Colon. p. 120 al.—
2. Hardness, firmness: auri, Lucr. 1, 492: ferri, Verg. G. 1, 143: saxorum, Ov. M. 1, 401 (with durities): lapidis, Plin. 36, 16, 25, § 126: arborum, Vitr. 2, 9; Plin. 16, 40, 77, § 209; Col. 4, 16, 4 al.—
II. Transf., the stiffness produced by cold, for cold itself, chilliness, Lucr. 5, 640; 6, 368 (opp. calor); 307 (opp. ignis); cf. Alpinus, Ov. M. 14, 794: septentrionis, Tac. A. 2, 23: caeli et soli, Plin. 17, 24, 37, § 217: recentissimus aquae, Col. 9, 14, 7: torpentibus rigore nervis, Liv. 21, 58 fin. et saep.—
III. Trop., hardness, inflexibility, stiffness, roughness, severity, rigor (cf.: severitas, asperitas, morositas): accentus rigore quodam minus suaves habemus, Quint. 12, 10, 33 (cf. rigidus, II. init.): te tuus iste rigor, positique sine arte capilli ... decet, rudeness, Ov. H. 4, 77: nocuit antiquus rigor et nimia severitas, Tac. H. 1, 18 fin.: animi, id. A. 6, 50; cf. Plin. 7, 19, 18, § 79; Sen. Ira, 1, 16, 13 (opp. constantia): disciplinae veteris, Tac. H. 1, 83: juris, Dig. 49, 1, 19.

Origins

Proto-Indo-European *Hreyǵ-der. Proto-Italic *rigēō Latin rigeō Proto-Indo-European *-os Proto-Indo-European *-s Proto-Indo-European *-ōs Proto-Italic *-ōs Latin -or Latin rigor From rigeō (“to be rigid”) + -or.

Descendants
  • Catalanrigor
  • Englishrigor
  • Englishrigour
  • Frenchrigueur
  • Italianrigore
  • Portugueserigor
  • Romanianrigoare
  • Spanishrigor
  • Galicianrigor
  • Piedmonteserigor

Quick answers

What does rigor mean in Latin?
rigor, a noun, means “stiffness, rigidity; rigor, cold, harshness, severity”.
What is the genitive of rigor?
The genitive singular is rigōris. rigor is masculine, third declension.
How do you pronounce rigor?
In classical Latin, [ˈrɪ.ɡɔr]; in ecclesiastical (church) Latin, [ˈriː.ɡor].