waistless

/ˈweɪstləs/
adjective
  1. Having no waist or not showing a waistline; used especially of clothing that is straight or loose.
    • Many medieval tunics were waistless, falling loosely to the knees.
    • The new shirt design is waistless, giving a relaxed, boxy fit.
    • She wore a waistless dress that hung straight from her shoulders.
Antonyms
What does "waistless" mean? | whatsthatwordmean | whatsthatwordmean