A self-assertion is a boastful statement. "I am the greatest!" is a self-assertion. Self-assertion is great if you’re a boxer like Muhammad Ali, but usually annoying if you’re not.

An assertion is an opinion like "The Yankees are the best." A self-assertion is a similar claim made about yourself. A low-level politician saying, "I will be President" is making a self-assertion. An athlete saying, "I will win the championship" is making a self-assertion. Self-assertions tend to be a little inconsiderate and arrogant, because self-assertions are usually a form of bragging. Someone who really feels confident probably wouldn't need to make a lot of self-assertions.

Definitions of self-assertion
  1. noun
    the act of putting forth your own opinions in a boastful or inconsiderate manner that implies you feel superior to others
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    type of:
    boast, boasting, jactitation, self-praise
    speaking of yourself in superlatives
  2. noun
    the act of asserting yourself in an aggressive manner
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    type of:
    deliberately unfriendly behavior
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