What is the Latin word for twenty?

The usual Latin words for “twenty” are vīgintī, vīcēni, vīcennium; also vīciēs. The right choice depends on the sense; see the distinctions below.

English → Latin

“twenty” in Latin

vīgintītwenty (20)vīcēnitwenty each vīcenniumvicennium, a twenty-year period vīciēstwenty times

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

twenty

viginti: viceni (distributive, and with substantives that are found only in the plur.; Vid: TWELVE). A space of twenty years, viginti anni; vicennium (*Modestinus, Dig., 50, 8, 8): a man twenty years old, homo viginti annorum; homo viginti annos natus: twenty-fold, twenty times as much, vicies tantum: the field bears twenty-fold, ager effert or efficit cum vicesimo: twenty times, vicies: twenty thousand, viginti millia: twenty thousand times, vicies millies: the twenty thousandth, vicies millesimus.

Quick answer

What is the Latin word for twenty?: The usual Latin words for “twenty” are vīgintī, vīcēni, vīcennium; also vīciēs. 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.