larger or longer than the usual size.

(of a bed) extra large, usually measuring between 76 and 78 in. (193 and 198 cm) wide and between 80 and 84 in. (203 and 213 cm) long.

pertaining to or made for a king-size bed

king-size sheets.

(of a cigarette) extra long, in contrast to the standard length.

very large, important, or serious; major

a king-size job.