LATIN DICTIONARYLexicon Latīnum
English → Latin

“monster” in Latin

The English word monster itself goes back to Latin moneō, through mōnstrum.

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

monster
monstrum, portentum (so far as the appearance is one of evil omen): homo portentosus or monstrosus (of men): fetus portentosus or monstrosus (of animals): monsters, prodigiosa corpora et monstris insignia; praeter naturam hominum pecudumque: portenta ex homine or ex pecude nata.

Quick answer

What is the Latin word for monster?
The usual Latin words for “monster” are mōnstrum, portendō, mōnstruōsus. 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.