USUKGeneral EnglishNeutral
- Not wearing a shirt; bare-chested.
USUKGeneral EnglishInformalIdiomatic
- Used in fixed expressions to indicate an extreme state, especially fear (as in 'scared shirtless'), meaning extremely frightened or intimidated.
USUKGeneral EnglishNeutralInformal
- Used attributively or nominally to refer to people who are not wearing shirts (e.g., 'the shirtless' meaning persons without shirts).