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Glam Fame Journal

What is a word for thinking you know everything?

Author

Sophia Hammond

Updated on March 13, 2026

What is a word for thinking you know everything?

A pantomath is a person who wants to know or knows everything.

What is the word for someone who knows everything?

A person who knows everything : Omniscient.

What does it mean to be called a know-it-all?

Definition of know-it-all : one who claims to know everything also : one who disdains advice.

How do you say know-it-all nicely?

know-it-all

  1. smart aleck,
  2. smarty.
  3. (or smartie),
  4. smarty-pants,
  5. wiseacre,
  6. wiseass,
  7. wise guy,
  8. wisenheimer.

Is there a word for a know-it-all?

In this page you can discover 25 synonyms, antonyms, idiomatic expressions, and related words for know-it-all, like: smart aleck, wise guy, walking encyclopedia, smarty, witling, wiseacre, brash, know-all, smarty-pants, wisenheimer and malapert.

What’s a word for someone who thinks they are always right?

Originally Answered: What do you call people that think they’re always right? You call them a narcissist. Narcissists have a distorted and inflated sense of self. They have a hard time seeing others points of view or seeing flaws in their own thinking.

Is there a word for a know it all?

What do you call someone that thinks they’re always right?

Why do people act like know-it-all?

Know-it-alls may have a cluster of personality characteristics, including impulsivity, poor listening skills and an inability to read social cues. These could be symptomatic of certain mental disorders, such as attention deficit hyperactivity disorder or narcissistic personality disorder.

What is the word when someone always thinks they are right?

Narcissistic would be an accurate vocabulary word to define someone who always thinks they are right, so would ignorant.

What is a synonym for all knowing?

divine. everlasting. immortal. infinite.