What is the Latin word for extemporize?

The usual Latin words for “extemporize” are subeō, dīcō. The right choice depends on the sense; see the distinctions below.

English → Latin

“extemporize” in Latin

subeōto go under, come under; enter; to come or go up to, approach, draw near, advance or proceed to a place; come or go on; dīcōto say, talk, speak, utter, mention; to declare, state; to tell

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

extemporize

subito or ex tempore dicere. To extemporize poetry, versus ex tempore fundere: in fingendis poematibus promptum et facilem esse vel ad extemporalitatem usque (Suet.): ex tempore poemata facere (after Suet., Grammatical). Not to be able to extemporize, *non posse nisi parate (atque cogitate) dicere.

Quick answer

What is the Latin word for extemporize?: The usual Latin words for “extemporize” are subeō, dīcō. 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.