assert

[uh-surt]

verb (used with object)

1. to state with assurance, confidence, or force; state strongly or positively; affirm; aver.

   He asserted his innocence of the crime.

   Synonyms: maintain, avow, asseverate
   Antonyms: deny

2. to maintain or defend (claims, rights, etc.).

   Synonyms: support, uphold

3. to state as having existence; affirm; postulate.

   to assert a first cause as necessary.

assert

/ əˈsɜːt /

verb

1. to insist upon (rights, claims, etc)

2. (may take a clause as object) to state to be true; declare categorically

3. to put (oneself) forward in an insistent manner

Other Word Forms

• asserter noun
• assertor noun
• assertible adjective
• misassert verb (used with object)
• overassert verb (used with object)
• preassert verb (used with object)
• reassert verb (used with object)

Word History and Origins

Origin of assert¹

First recorded in 1595–1605; from Latin assertus “joined to, defended, claimed,” past participle of asserere “to join to, defend,” from as- as- + serere “to connect” ( series )

Word History and Origins

Origin of assert¹

C17: from Latin asserere to join to oneself, from serere to join

Idioms and Phrases

Idioms

1. assert oneself, to insist on one's rights, declare one's views forcefully, etc..

   The candidate finally asserted himself about property taxes.

Synonym Study

See declare. See maintain.

Example Sentences

The administration asserts left-wing radicals are responsible for the killing of conservative activist Charlie Kirk and a sniper attack on the ICE field office in Dallas.

Read more on Los Angeles Times

The White House asserts that this deal is secret because it’s working out deals with other drug manufacturers.

Read more on Los Angeles Times

Safdie’s film seems to exist to assert the filmmaker’s style, now apparently separate from his former collaborator and brother, Josh.

Read more on Salon

Are gender transitions a recognized fact, which means that they must be accepted in sports competitions, or can a state assert that trans athletes are not women?

Read more on Salon

In a video shared to his Instagram story Wednesday, he asserted, “I’m not about to be silenced.”

Read more on Los Angeles Times

Related Words

• affirm 
• allege 
• argue 
• cite 
• claim 
• contend 
• defend 
• proclaim 
• profess 
• say 
• stress 
• uphold