bulky

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

• IPA^(key): /ˈbʌlki/

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bulky (comparative bulkier, superlative bulkiest)

1. Being large in size, mass, or volume; big, fat or muscular
   • 1960 March, G. Freeman Allen, “Europe's most luxurious express - the "Settebello"”, in Trains Illustrated, page 140:

     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.

2. Unwieldy.
3. (bodybuilding) Having excess body mass, especially muscle.