pantless /ˈpantləs/ adjective3 •Without pants. •(US) Not wearing trousers.At the same time Ms. Metselaar-Berthold, East Germany's version of Nan Goldin, captured scenes of disorderly bohemia (where supposedly none existed) in parties of topless women and pantless men. — 2009 •(UK) Not wearing underpants.He twinkles, and I twinkle back, / Pantless, under a slim formal skirt, / Ready for work. — 1961