Generally speaking, it is better to be robust than it is to be frail, so yes, frail has a negative connotation. It means weak and fragile, easily damaged. Very old people tend to become frail.
Perhaps frail and weak
It is a negative connotation.
Negative connotation
uneasy is negative connotation
It is a negative
negative
negative
negative connotation for child
Negative
It is a negative connotation?
"Protruding" has a negative connotation; it connotes excess.
This is a negative connotation.