adjective
uncool
uhn-KOOL
adjective
1
Not fashionable, socially acceptable, or well-regarded by a particular group.
"Wearing socks with sandals was considered deeply uncool at school."
"He said it was uncool to show up late to someone else's party."
How to Use Uncool
Learner’s notesIn plain EnglishInformal word for not fitting in with what's trendy or acceptable.
When to use it
Casual, conversational — avoid in formal writing.
Word Forms
uncooler comparative, more uncool comparative, uncoolest superlative, most uncool superlative
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “uncool”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
Wearing socks with sandals was considered deeply _____ at school.
Etymology
From un- + cool, in the informal sense of "fashionable."