Definitions
1.nounA convertible car having the top retracted or otherwise open.
2.adjectiveLacking a top."The sight-seeing bus is topless to allow tourists a better view of the sights."
3.adjectiveVery high, towering.
4.adjective(chiefly of a woman) Not wearing a garment covering the top half of the body; naked from the waist up."The council voted to allow topless swimmers on the beach."
5.adjective(of a place) Featuring women that are naked from the waist up, often strippers or dancers."Only her closest friends knew that Jenny was working at a topless bar to help with college expenses."
6.adverbNot wearing any clothes on the upper body.