Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “prove”

See all translations

prove

verb [T]
 
 
/pruːv/ ( past tense proved, past participle mainly US proven)
B1 to show that something is true: They knew who had stolen the money, but they couldn't prove it. [+ (that)] Can you prove that you weren't there? He's desperately trying to prove his innocence. →  Opposite disprove Proving and disproving
prove (to be) sth B2 to show a particular quality after a period of time: The new treatment has proved to be very effective.Showing and demonstrating
prove yourself to show that you are good at something: I wish he'd stop trying to prove himself all the time.Showing and demonstrating
(Definition of prove from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “prove” in other dictionaries

Word of the Day

sail

When a boat or a ship sails, it travels on the water.

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

dumbwalking noun

April 20, 2015
walking slowly, without paying attention to the world around you because you are consulting a smartphone He told me dumbwalking probably wouldn’t be a long-term problem.

Read More