It's a matter of semantics; the only real difference between the meanings of those words is their social context not an anatomical difference.
thin. slender.
slender
No, she is slender.
I would use slender in place of skinny
skinny ( Apex)
...Seriously? Cuz he's Slender, meaning skinny, thin, etc.
The term "slender" is generally considered more polite and positive than "skinny." "Slender" conveys a sense of grace and elegance, while "skinny" can imply an unhealthy or overly thin appearance. Therefore, using "slender" is typically preferred in contexts where politeness and sensitivity are important.
skinny = dünn, mager.
Slim, skinny, slender.
slender mender
Very thin Waiflike Slender
slender mender