(UK) A type of full-fitting women's underwear.

plural of knickknack

(idiomatic, humorous, informal) Synonym of get one's knickers in a twist

(used attributively as a modifier) Of or relating to knickers. / knickerbockers

(dated, dialect, UK, US) A small ball of clay, baked hard and oiled, used as a marble in games.

Not wearing any knickers; without underwear

(archaic, used attributively as a modifier) Of or relating to knickerbockers. / A linsey-woolsey fabric with a rough knotted surface on the right side, formerly used for women's dresses.

(obsolete) Wearing knickerbockers. / (Britain) Wearing knickers; pantied.

The fact of being without knickers.

(UK) Large girls' underpants traditionally worn as shorts during school sports activities.