verb dem·on·strate \ˈde-mən-ˌstrāt\

Definition of demonstrate



  1. transitive verb
  2. 1 :  to show clearly <demonstrate a willingness to cooperate>

  3. 2 a :  to prove or make clear by reasoning or evidence b :  to illustrate and explain especially with many examples <demonstrate a procedure>

  4. 3 :  to show or prove the value or efficiency of to a prospective buyer <demonstrate a new product>

  5. intransitive verb
  6. :  to make a demonstration <crowds demonstrating for the right to vote>

Examples of demonstrate in a sentence

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

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

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

  4. The latest test results clearly demonstrate that the vaccine works.

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

  6. They have demonstrated a willingness to negotiate.

  7. Several people will be demonstrating traditional farming techniques.

  8. The instructor demonstrated the correct procedure for pruning a tree.

  9. Would you mind demonstrating how the machine works?

Origin and Etymology of demonstrate

Latin demonstratus, past participle of demonstrare, from de- + monstrare to show — more at muster

First Known Use: 1548

Synonym Discussion of demonstrate

show, exhibit, display, expose, parade, flaunt mean to present so as to invite notice or attention. show implies no more than enabling another to see or examine <showed her snapshots to the whole group>. exhibit stresses putting forward prominently or openly <exhibit paintings at a gallery>. display emphasizes putting in a position where others may see to advantage <display sale items>. expose suggests bringing forth from concealment and displaying <sought to expose the hypocrisy of the town fathers>. parade implies an ostentatious or arrogant displaying <parading their piety for all to see>. flaunt suggests a shameless, boastful, often offensive parading <nouveaux riches flaunting their wealth>.

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>.

DEMONSTRATE Defined for English Language Learners


verb dem·on·strate \ˈde-mən-ˌstrāt\

Definition of demonstrate for English Language Learners

  • : to prove (something) by showing examples of it : to show evidence of (something)

  • : to prove (something) by being an example of it : to be evidence of (something)

  • : to show (a quality, feeling, etc.) clearly to other people

DEMONSTRATE Defined for Kids


verb dem·on·strate \ˈde-mən-ˌstrāt\

Definition of demonstrate for Students



  1. 1 :  to show clearly <He demonstrates a willingness to change.>

  2. 2 :  to prove or make clear by reasoning <Galileo demonstrated that the earth revolves around the sun.>

  3. 3 :  to explain (as in teaching) by use of examples or experiments <My science project demonstrates blood circulation.>

  4. 4 :  to show to people the good qualities of an article or a product <demonstrate a new car>

  5. 5 :  to make a public display (as of feelings or military force) <Marchers demonstrated for human rights.>

Medical Dictionary


verb dem·on·strate \ˈdem-ən-ˌstrāt\

Medical Definition of demonstrate




  1. 1

  2. transitive verb

  3. :  to show clearly <demonstrated the artery arteriographically>

  4. 2:  to prove or make clear by reasoning or evidence

  5. intransitive verb

  6. :  to make a demonstration

Seen and Heard

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skillful, artistic, or intricate

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