Meaning & use
that's sick
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Meanings
phrasefixed phraseslangapproving
An enthusiastic reaction meaning something is extremely impressive, skillful or cool.
Grammar: A complete reaction spoken on its own: 'That's sick!' after a great trick.
Patterns
- that's sick!
- that is so sick
You landed that trick on the first try? That's sick!
Look at the lights on this stage, that's sick.
He built a whole game by himself, that's sick.
phrasefixed phraseinformaldisapproving
A reaction meaning something is disgusting, cruel or morally wrong.
Grammar: The tone of voice shows disgust rather than praise.
Patterns
- that's sick
- that's just sick
They laughed at him when he fell? That's sick.
Leaving the dog outside all night is just sick.
Pranks like that are sick and not funny.
Common combinations
- that's absolutely sick
- Your new bike? That's absolutely sick.
- that's so sick
- That's so sick, I need to try it.
- that is just sick
- Cheating on a charity race is just sick.
- sick trick
- That was a sick trick on the half-pipe.
Synonyms and how they differ
- awesome
- It is milder and works in all settings, while that's sick belongs to casual youth talk.
- amazing
- It is neutral and polite, whereas that's sick signals a cool, slangy tone.
- disgusting
- It only expresses revulsion, while that's sick can mean either strong praise or revulsion.
- cool
- It is more general and gentler, with less intensity than that's sick.
Opposites
Word family
Commonly confused: that's sick or I'm sick?
that's sick vs I'm sick
I'm sick usually means I am ill, and it is not praise; the slang praise comes only with that's or this is.
Practice
A teenager watches a friend skate down a huge staircase and says, 'That's sick!' What does she probably mean?
Choose one answer.
In this slang use, sick is high praise for a skillful trick. The literal 'ill' meaning is a tempting but wrong option here.
Make it your own
Write a sentence using “that's sick”, then check it and compare it with the examples above.