Having no top, or no visble fop; hence, fig.: very lofty; supreme; unequaled.
- Having no top: a collection of topless jars.
- Having no part covering the breasts: a topless bathing suit.
- Wearing no top: topless dancers.
- Permitting or featuring exposure of the breasts: a topless beach; topless bars.
- So high as to appear to extend out of sight: the topless Alps.