weirdo
Americannoun
plural
weirdos-
an odd, eccentric, or unconventional person.
-
a psychopath, especially a dangerous or vicious one; psycho.
They caught the weirdo who attacked the children.
noun
Usage
What does weirdo mean? A weirdo is a person who behaves in ways that are considered odd or unconventional.Weirdo is based on the adjective weird, which most commonly means strange, odd, peculiar, or bizarre. Weirdo is very informal. It can be used both negatively as an insult and positively as a compliment, depending on how you feel about someone else’s weird behavior.Much less commonly, weirdo can be used as an informal term for a person considered a dangerous psychopath.Example: My dog keeps licking the wall—what a weirdo!
Etymology
Origin of weirdo
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.
I’m a weirdo and I like to work.
From Los Angeles Times • Mar. 17, 2026
If he were still with us, and I was able, I’d thank him for that weirdo.
From Salon • Feb. 17, 2026
Steven Lee Johnson’s Charlie, the dorky assistant sound engineer, is an amiable weirdo, though I missed the way Andrew R. Butler played him almost like a space alien in New York.
From Los Angeles Times • Dec. 12, 2025
A weirdo dog lets you “show your individuality,” said Terence Nelson, 38, an influencer marketing strategist in New York whose fuzzy Brussels griffon, Sue, is a dead ringer for an Ewok.
From The Wall Street Journal • Nov. 28, 2025
Our arms would be touching if I’d stop being such a weirdo and start eating, but instead, I take a couple gulps of my iced tea and just sit.
From "Watch Us Rise" by Renée Watson and Ellen Hagan
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
