bulky

Etymology

From Middle English bulki, boulky, equivalent to bulk + -y.

adj

1. Being large in size, mass, or volume; big, fat or muscular
   Needless to say, one's seat must be booked in advance and a platoon of urbane officials, one to each door of the train, awaits passengers to usher them to their seats and relieve them of their bulkier baggage. 1960 March, G. Freeman Allen, “Europe's most luxurious express - the "Settebello"”, in Trains Illustrated, page 140
2. Unwieldy.
3. (bodybuilding) Having excess body mass, especially muscle.