Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “assert”

See all translations

assert

verb [T] uk   /əˈsɜːt/ us    /-ˈsɝːt/
assert yourself
More examples
C2 to behave in a way that expresses your confidence, importance, or power and earns you respect from others: I really must assert myself more in meetings.
C1 formal to say that something is certainly true: [+ that] He asserts that she stole money from him.C2 to do something to show that you have power: Throughout the Cold War, the Allies asserted their right to move freely between the two Berlins. She very rarely asserts her authority over the children.
(Definition of assert from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of assert?
Add Cambridge dictionaries to your browser to your website

Definitions of “assert” 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