Larger or longer than the usual or standard size.
A king-size desk; king-size pretzels.
Very large in scope or intensity.
A king-size headache.
Larger than the regular kind.
A king-size bed is 76 by 80 in.
Measuring about 76 inches by 80 inches (1.9 meters by 2.0 meters). Used of a bed.
Being of a size that will fit such a bed.
King-size fitted sheets.