English → Latin
“inflexible” in Latin
rigidusstiff, rigid, hard, inflexible; stern, strict, severe, hard, inflexiblepertināxpersevering, obstinate; pertinacious; tenaciousmēnsmind; intellect, reason; reasoning, judgement
The English word inflexible itself goes back to Latin in-flexĭbĭlis, through īnflexibilis.
Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864
inflexible
rigidus (PROP., stiff, rigid; hence incapable of being moved; e.g., mens, censor): pertinax (firm in one’s resolutions, persevering; e.g., hatred, odium).
Quick answer
- What is the Latin word for inflexible?
- The usual Latin words for “inflexible” are rigidus, pertināx, mēns. 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.