LATIN DICTIONARYLexicon Latīnum
suffix

-rī

-rī

Meaning

  1. morphemeUsed to form the present passive infinitive of regular verbs, except the third conjugation's ones.
    First conjugation: amārī (“to be loved”) — from amāre (“to love”)
    Second conjugation: monērī (“to be advised”) — from monēre (“to advise”)

Quick answers

What does -rī mean in Latin?
-rī, a suffix, means “Used to form the present passive infinitive of regular verbs, except the third conjugation's ones.”.