The waiter's face lit up when I gave him a twenty.
- The decade 1920-29, regarded as a time of economic growth and of rebellion against social, esp. sexual, conventions.
- The numbers or years, as of a century, from twenty through twenty-nine.
Idioms and Phrasal Verbs
Origin of twenty
- Middle English from Old English twēntig dwo- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
- From Middle English twenty, twenti, from Old English twÄ“ntiÄ¡ (“twenty", literally “two tens"), from Proto-Germanic *twaintigiwiz, *twai tigiwiz, an old compound of *twain-/*twai (see two) and *-tigaz/*teguz, equivalent to two +"Ž -ty, or twain +"Ž -ty. Cognate with Scots twenty, tuenty (“twenty"), West Frisian tweintich (“twenty"), Dutch twintig (“twenty"), German zwanzig (“twenty"), Danish tyve.