demonstrate

verb

dem·​on·​strate ˈde-mən-ˌstrāt 

demonstrated; demonstrating

transitive verb

1

: to show clearly

demonstrate a willingness to cooperate

must demonstrate mastery of the subject matter in order to pass the class

The police demonstrated calm restraint during the riot.

2

a

: to prove or make clear by reasoning or evidence

crowded classrooms that demonstrate the need for more schools in the area

b

: to illustrate and explain especially with many examples

demonstrate a procedure

3

: to show or prove the value or efficiency of to a prospective buyer

demonstrate a new kitchen gadget

intransitive verb

: to make a demonstration

Allow me to demonstrate.

crowds demonstrating for the right to vote

Synonyms

• establish
• prove
• show
• substantiate

Choose the Right Synonym for demonstrate

show, manifest, evidence, evince, demonstrate mean to reveal outwardly or make apparent.

show is the general term but sometimes implies that what is revealed must be gained by inference from acts, looks, or words.

careful not to show his true feelings

manifest implies a plainer, more immediate revelation.

manifested musical ability at an early age

evidence suggests serving as proof of the actuality or existence of something.

a commitment evidenced by years of loyal service

evince implies a showing by outward marks or signs.

evinced not the slightest fear

demonstrate implies showing by action or by display of feeling.

demonstrated their approval by loud applause

Examples of demonstrate in a Sentence

Each student must demonstrate mastery of the subject matter in order to pass the class.

Employees must demonstrate competence in certain skills before they can work independently.

The medication will not be marketed until it is demonstrated to be safe.

The latest test results clearly demonstrate that the vaccine works.

The group's failed efforts demonstrate how difficult it is to convince people to change their habits.

They have demonstrated a willingness to negotiate.

Several people will be demonstrating traditional farming techniques.

The instructor demonstrated the correct procedure for pruning a tree.

Would you mind demonstrating how the machine works?

Recent Examples on the Web

In court, Oakland County Prosecutor Karen McDonald used the murder weapon to demonstrate how to use a cable lock to keep the gun from being fired. —Quinn Klinefelter, NPR, 9 Apr. 2024

As the exhibition demonstrates, Potter’s storybook illustrations were informed by her deep observation of the natural world. —Philip Kennicott, Washington Post, 8 Apr. 2024

Grace demonstrated that justice can be served in cases like this. —Caitlin Huston, The Hollywood Reporter, 8 Apr. 2024

The before-and-after difference between the survey results are shared with the public, to demonstrate the impact of deliberation on views. —Joe Mathews, The Mercury News, 6 Apr. 2024

Schroeder said the Athletics in combination with the Kings will demonstrate if Sacramento can sustain multiple professional franchises. —Sam Stanton, Sacramento Bee, 5 Apr. 2024

And as Elvis demonstrates the proper application of a tourniquet, things are happening out there. —Jesse Ashlock, Condé Nast Traveler, 4 Apr. 2024

What does increase value is the kind of transformational leadership that Iger has demonstrated throughout his career. —Diane Brady, Fortune, 4 Apr. 2024

Embracing their input for improvement demonstrates adaptability and commitment to progress, fortifying your organization for success. —Expert Panel®, Forbes, 28 Mar. 2024

Word History

Etymology

borrowed from Latin dēmonstrātus, past participle of dēmonstrāre "to draw attention to, indicate, describe, show," from dē- de- + monstrāre "to point out, show" — more at muster entry 2

First Known Use

1548, in the meaning defined at transitive sense 1

Phrases Containing demonstrate

• counter-demonstrate

Kids Definition

demonstrate

verb

dem·​on·​strate ˈdem-ən-ˌstrāt 

demonstrated; demonstrating

1

: to show clearly

2

a

: to prove or make clear by reasoning or evidence

b

: to illustrate and explain especially with examples

3

: to show publicly the good qualities of a product

demonstrate a new car

4

: to make a public display (as of feeling or military force)

citizens demonstrated in protest

Medical Definition

demonstrate

verb

dem·​on·​strate ˈdem-ən-ˌstrāt 

demonstrated; demonstrating

transitive verb

1

: to show clearly

demonstrated the artery arteriographically

2

: to prove or make clear by reasoning or evidence

intransitive verb

: to make a demonstration