What is the Latin word for derider?

The usual Latin words for “derider” are dērīsor, irrīsor. The right choice depends on the sense; see the distinctions below.

English → Latin

“derider” in Latin

dērīsormocker, scoffer irrīsormocker, derider, scoffer

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

derider

derisor (rare; not Cic.): irrisor (of anything, alicujus rei): Vid. MOCKER, SCOFFER.

Quick answer

What is the Latin word for derider?: The usual Latin words for “derider” are dērīsor, irrīsor. 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.