Definition of demonstrate in English:


Syllabification: dem·on·strate
Pronunciation: /ˈdemənˌstrāt


1 [with object] Clearly show the existence or truth of (something) by giving proof or evidence: their shameful silence demonstrates their ineptitude
More example sentences
  • Clark's legal team demonstrated that vital medical evidence had been suppressed by the prosecution.
  • In this paper it is demonstrated that transient expression can easily be performed in ripe fleshy fruits.
  • The applicant had demonstrated that health and safety guidelines had been complied with and approval of the mast was recommended.
reveal, bespeak, indicate, signify, signal, denote, show, display, exhibit;
bear witness to, testify to;
imply, intimate, give away
1.1Give a practical exhibition and explanation of (how a machine, skill, or craft works or is performed): computerized design methods will be demonstrated [with clause]: he demonstrated how to make his favorite hotdog
More example sentences
  • The promoter had even installed a machine and demonstrated how these plates and cups were moulded.
  • On the opening day of the exhibition, Pipop will demonstrate his painting skills by creating a painting in public.
  • Techniques to minimise stress at work were demonstrated at the campaign.
give a demonstration of, show how something is done;
display, show, illustrate, exemplify
informal demo
1.2Show or express (a feeling or quality) by one’s actions: she began to demonstrate a new-found confidence
More example sentences
  • A group has been on a rally to London to demonstrate its feelings and has also spelt out its views to Institute chiefs in a bid to keep tuition fees as low as possible.
  • Suddenly Duffy's charges began to demonstrate a bit of pluck.
  • She demonstrates her impressive long distance catching here.
show, indicate, determine, establish, prove, confirm, verify, corroborate, substantiate
2 [no object] Take part in a public demonstration: thousands demonstrated in favor of the government
More example sentences
  • Couldn't the point be made equally effectively by demonstrating in some more public space where private homes and families wouldn't be disrupted?
  • Thousands were demonstrating today - I think near the Ministry of Oil (though someone said it was somewhere else).
  • Thousands were demonstrating today all over the country.
protest, rally, march;
stage a sit-in, picket, strike, walk out;
mutiny, rebel


mid 16th century (in the sense 'point out'): from Latin demonstrat- 'pointed out', from the verb demonstrare.

Definition of demonstrate in: