LATIN DICTIONARYLexicon Latīnum
English → Latin

“caustic” in Latin

The English word caustic itself goes back to Latin causticus.

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

caustic
causticus (καυστικός): erodens: septicus (σηπτικός). Caustics, medicamenta rodentia or erodentia.
FIG., applied to language, etc., mordens: mordax: acidus: aculeatus: acerbus. Caustic words, verborum aculei: caustic wit, acerbitas salis: in a caustic manner, mordaciter: acerbe.

Quick answer

What is the Latin word for caustic?
The usual Latin words for “caustic” are causticus, ērōdō, sēpticus; also medicāmentum, mordeō, mordāx. 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.