bulky /ˈbʌlki/ adjective3 •Being large in size, mass, or volume; big, fat or muscular.Action such as this, filmed under great difficulty with a bulky, hand-cranked camera, revealed the possibilities of the movies and was quite startling in those early days. — 1958 •Having excess body mass, especially muscle. •Unwieldy. formsbulkier · bulkiest