slim
Attractively or healthily thin.
That jacket makes you look slim.
Meaning-first English
How to say "Describing a thin person: slim vs. skinny" in English
You want to say someone is thin, but not insult them. Slim and skinny sound close until you use them on a real person.
slim
positive, polite, or admiring
skinny
negative, worried, or a little rude
The verdict
If you want to be kind, say slim. Skinny often sounds critical or worried.
slim: in use
She looks so slim in that dress.
skinny: in use
He got really skinny after being sick.
Skip: "thin" — Often sounds clinical or worried, not like a compliment.
Phrase playground
Pick your exact meaning
Start with the human feeling, then choose the English that fits the moment.
Describing a thin person: slim vs. skinnyWhat do you mean?
skinny
Very thin, sometimes too thin. Be careful with people.
He looked skinny after the illness.
thin
Neutral in description, but not usually a warm compliment.
The doctor said he was too thin.
lean
Thin in a healthy, athletic way.
He's lean from all the running.
slender
formal
A graceful, more literary version of slim.
She had a slender build.
Situation check
Choose the moment
Compliment
You want to be kind.
You look slim.
Usually safe.
Health concern
They look too thin.
He looks skinny.
Careful: can sound critical.
Fitness
Thin and athletic.
He's lean.
Positive and specific.
Tone switcher
Say it like...
You look really slim in that.
Compliment.I'd avoid commenting on someone's body at work.
Best real-world choice.That outfit really suits you.
Often better than body comments.that dress looks amazing on you
Safer compliment.He came back looking worryingly skinny.
Concern, not compliment.Don't say this
Make it sound human
Instead ofYou are skinny!
SayYou look slim.
Skinny can sound rude; slim is the compliment.
Instead ofShe is a slim.
SayShe is slim.
Slim is an adjective, not a noun.
Native phrase battle
You want to compliment a friend kindly. Best phrase?
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Stick with slim for compliments. Use skinny only when the concern is real.