verb (used with object), dem·on·strat·ed, dem·on·strat·ing.

verb (used without object), dem·on·strat·ed, dem·on·strat·ing.

to make, give, or take part in, a demonstration: The pickets required a license to demonstrate.
Military. to attack or make a show of force to deceive an enemy.

Nearby words

  1. demonolater,
  2. demonolatry,
  3. demonology,
  4. demonstrable,
  5. demonstrant,
  6. demonstration,
  7. demonstration model,
  8. demonstrative,
  9. demonstrative pronouns,
  10. demonstrator

Origin of demonstrate

1545–55; < Latin dēmonstrātus, past participle of dēmonstrāre to show, point out, equivalent to dē- de- + monstrāre to show, verbal derivative of monstrum sign, portent

Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for demonstrating

British Dictionary definitions for demonstrating



(tr) to show, manifest, or prove, esp by reasoning, evidence, etcit is easy to demonstrate the truth of this proposition
(tr) to evince; reveal the existence ofthe scheme later demonstrated a fatal flaw
(tr) to explain or illustrate by experiment, example, etc
(tr) to display, operate, and explain the workings of (a machine, product, etc)
(intr) to manifest support, protest, etc, by public parades or rallies
(intr) to be employed as a demonstrator of machinery, etc
(intr) military to make a show of force, esp in order to deceive one's enemy

Word Origin for demonstrate

C16: from Latin dēmonstrāre to point out, from monstrāre to show

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for demonstrating



1550s, "to point out," from Latin demonstratus, past participle of demonstrare (see demonstration). Meaning "to point out by argument or deduction" is from 1570s. Related: Demonstrated; demonstrating.

Online Etymology Dictionary, © 2010 Douglas Harper