Dictionary.com
Thesaurus.com
Synonyms

assert

American  
[uh-surt] / əˈsɜrt /

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.


idioms

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

    The candidate finally asserted himself about property taxes.

assert British  
/ 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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

See declare. See maintain.

Other Word Forms

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

Etymology

Origin of assert

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 )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He explains that younger generations are more comfortable in asserting their needs and setting boundaries.

From BBC

"It is a way of asserting women's place in a world and a system that remains deeply patriarchal," stressed Centeno, an expert in non-verbal communication.

From Barron's

Success could yield more receptive audiences for China’s efforts to expand its economic reach, assert its interests and challenge the U.S. for global leadership.

From The Wall Street Journal

Karl Marx asserted that “philosophers have hitherto only interpreted the world . . . the point, however, is to change it.”

From The Wall Street Journal

What quickly became nonnegotiable was the fact that no princely state could go rogue and assert its own independence.

From The Wall Street Journal