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Definition of fuckup

fuckup

/ˈfʌk.ʌp/
fuck · up
Plural:fuckups
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fuckup Lexical Profile

fuckup Game Scores & Validity

• noun

1

A serious mistake, blunder, or disorganized situation resulting from incompetence or carelessness (vulgar slang).

Example

"The scheduling conflict was a major fuckup that delayed the entire production by a week."

2

An incompetent, inept, or chronically irresponsible person who habitually makes mistakes (vulgar slang).

Example

"He spent years being treated like the family fuckup before finally turning his life around."

Synonyms
View all synonyms for fuckup
Antonyms
View all antonyms for fuckup

Word Nuance & Usage

This term is considered vulgar slang and is inappropriate for formal, academic, or professional contexts. As a noun, it is spelled either as a closed compound ('fuckup') or hyphenated ('fuck-up'), whereas the corresponding phrasal verb is always written as two separate words ('fuck up').

• Nearby Words

fuckface
fuckhead
fucking
fuckup
fuckwit
fudge
fudgy

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Fuckup. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/fuckup
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