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Believing something to be true that is clearly not. Someone who is not thinking clearly. Used to describe someone attached to an idea which is obviously false.
Jon believes he is always right. He's delusional.
by youreajackass April 16, 2014
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Apr 13 Word of the Day
A person who gets the vaccine and and flaunts it will high end shopping, trips, and parties
Once Lisa got the vax she turned into such a vaxinista
by M. Wolly March 23, 2021
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When someone clings to the opinions in their head despite the facts. Often times these people do not want to measure the accuracy of their opinions and believe their situation is overly unique.
Tom is delusional, he thinks he is the best parent in the world but his kid is 4 years old and cant spell his own name.
by November 16, 2020
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Someone who is not thinking clearly, or thinks something will happen that, in all likelyhood, will not.
guy1: So I'm thinking of asking Leah out. I think she might say yes.
guy2: Ummm, are you delusional or something?
by bandcampgirl183 September 12, 2005
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An individual who is given evidence or proof of an event or some doing. And still refusing to believe.
Gary is Delusional. He thinks what he thinks is right, yet he still lies, steals and cheats.
by TrueLanguage June 14, 2015
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When someone believes something to be the exact opposite of what it actually is. Such as when someone believes that someone whom they stalk and harass both in person and in cyberspace, thinks only about him/her and misses him/her and loves and longs to be with him/her when in actuality they don't think anything other than you are a pathetic creep/jerk with no life who obviously has a lot to learn in the way of making and maintaining healthy relationships. These are often the same conceited creeps who make futile attempts to make the object of their obsession jealous because they are too ignorant to realize that people are not all like them and that people who are secure with themselves do not get jealous and see their actions as really really lame and pathetic.
ALL those men from El Minya are DELUSIONAL especially HeisamledbA, KalaM, RemA and the list goes on.
by Goddess12* December 17, 2013
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