LATIN DICTIONARYLexicon Latīnum
English → Latin

“rival” in Latin

The English word rival itself goes back to Latin rīvus, through rīvālis.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

rival s.
aemulus (e.g., gloriae, laudis, regni): rivalis (almost always of a rival in love): obtrectator (a political rival).
rival v.
aemulari (to emulate): certare, concertare, contendere cum aliquo (to contend with).

Quick answer

What is the Latin word for rival?
The usual Latin words for “rival” are aemulus, rīvālis, obtrectō; also glōria, laus, rēgnum. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.