One of the most common words to describe someone who thinks they are better than someone else is arrogant. Another very common word to describe such a person is proud. I can't stand how arrogant he is! Don't be too proud to admit you're wrong. The opposite of arrogant is humble.
Narcissistic personality disorder is a mental health condition in which people have an unreasonably high sense of their own importance. They need and seek too much attention and want people to admire them. People with this disorder may lack the ability to understand or care about the feelings of others.
Imposter Syndrome is the feeling that we are not as good as other people think we are and that we will be found out. It is often attributed as being particularly prevalent amongst high achieving women but I would say I see it as often in men.
Egocentrism. Another explanation for how the better-than-average effect works is egocentrism. This is the idea that an individual places greater importance and significance on their own abilities, characteristics, and behaviors than those of others. Egocentrism is therefore a less overtly self-serving bias.
selfish Add to list Share. Someone who is selfish cares only about themselves and doesn't consider others.
know-all | know-it-all (noun British informal) – a person who acts as though he or she knows everything and who dismisses the opinions, comments, or suggestions of others.
Such a person might be called derisive or scornful. But people who are, or who think they are, more talented or knowledgeable than you in some area where you would like to excel might be called condescending or superior or patronising.
Belittling is the intentional act of making another feel worthless, empty, and dismissed. It is one of many forms of psychological and emotional abuse. Belittling another often creates a personal emptiness and void. It can create a sense of loneliness and despair in the lives of many.
altruistic Add to list Share. Someone who is altruistic always puts others first. An altruistic firefighter risks his life to save another's life, while an altruistic mom gives up the last bite of pie so her kid will be happy.
People Who Put Others Down May Need Help in Their Own Lives
Perhaps they're struggling with insecurities, emotions, mental health issues, or childhood trauma. They may not know how to deal with these problems, so they try to put others down to cope with their fears and worries.
Know-it-alls think they know everything. They feel superior, are dismissive of others' opinions, are unwilling to listen to others, and love to tell others how to do their job. Know-it-alls like to hear themselves talk. This behavior may become so ingrained that it becomes part of the know-it-all's personality.
A pantomath is a person who wants to know or knows everything. The word itself is not to be found in common online English dictionaries, the OED, dictionaries of obscure words, or dictionaries of neologisms.
synonyms for know-it-all
smart aleck. wise guy. braggart. brain. intellectual.
egocentric. adjectivethinking very highly of oneself. conceited. egoistic. egoistical.
gullible \GULL-uh-bul\ adjective. : easily duped or cheated.
adjective. someone who is arrogant thinks they are better or more important than other people and behaves in a way that is rude and too confident.
: a lover of words.
Noun. sophomania (uncountable) A delusion of having superior intelligence.
Noun. ultracrepidarian (plural ultracrepidarians) One who gives opinions on something beyond his or her knowledge (a person passing judgment beyond his or her expertise).
Try not to think about what your friends will think about every little decision you make in your life. Chances are, they will put you down whether you try to accommodate them or not, so don't worry about it. Do what makes you happy and don't worry about getting anyone else's approval. Leave when it's appropriate.
Extreme narcissists can be know-it-alls. They may bully, blame, and humiliate others, refusing to take responsibility for their own mistakes, explains Joseph Burgo, author of The Narcissist You Know. And they can be vindictive.
Toxic people are often insecure people. They tend to make themselves feel or seem better than others by talking badly about them rather than taking concrete actions to develop their skills. Toxic people feel entitled to judge others, their actions, decisions, and lifestyles.
Insecurity is linked to mental health conditions such as narcissism, anxiety, paranoia, and addictive or dependent personalities.
Insecurities feed mental health issues like depression, low self-esteem, and anxiety. They are also often a contributing factor to eating disorders and substance use disorders.