Bulkily

adv.[f. BULKY a. + -LY².] In a bulky manner.

1874.  Glasgow Herald, 18 Nov., 6/7. He observed on the ground a suspicious-looking character, who presented the appearance of being rather bulkily attired.

1885.  Stevenson, Pr. Otto, II. xiv. He grovelled bulkily upon the floor.