brittle
skinny
Scrawny means very thin; skinny and bony. TO BE THIN
anorexic, stick, or gangly
Emaciated is a synonym of thin that carries the most negative connotation, suggesting extreme thinness often due to illness or malnutrition.
Perhaps frail and weak
A negative word for "thin" is "scrawny," which often implies an unhealthy or unattractive lack of body mass. Other terms like "emaciated" can also convey a similar negative connotation, suggesting extreme thinness due to malnutrition or illness. These words typically carry a judgment about the undesirable appearance or health implications of being thin.
-6
E. coli is a gram negative rod shaped bacteria (it is long and thin).
Yes, probably more so than mere "thin".
A emaciated
A person with thin skin is easily insulted, very sensitive , thinks every negative comment is aimed at him and takes every criticism in the worst way.
The concept of "thin" can be both positive and negative depending on context. In fashion and media, thinness may be idealized, often associated with beauty and health. However, it can also carry negative connotations related to body image issues, health concerns, and societal pressures. Ultimately, perceptions of thinness vary widely among individuals and cultures.