1 to a considerable degree; "he relied heavily on others' data" [syn: to a great extent]
2 in a heavy-footed manner; "he walked heavily up the three flights to his room"
3 with great force; "she hit her arm heavily against the wall"
4 in a manner designed for heavy duty; "a heavily constructed car"; "heavily armed"
5 slowly as if burdened by much weight; "time hung heavy on their hands" [syn: heavy]
- in a heavy manner
apathetically, aridly, barrenly, bleakly, bloodlessly, burdensomely, close, closely, coldly, colorlessly, compactly, cumbersomely, densely, dismally, dormantly, draggily, drearily, drearisomely, dryly, dully, dustily, effetely, emptily, firmly, funereally, gloomily, gravely, grimly, heavy, hollowly, impassively, inactively, inanely, inertly, insipidly, jejunely, languidly, languorously, latently, leadenly, lifelessly, onerously, pallidly, passively, phlegmatically, ploddingly, pointlessly, ponderously, sadly, slowly, sluggishly, solemnly, solidly, somberly, sombrously, spiritlessly, stagnantly, statically, stodgily, stoically, stolidly, stuffily, superficially, tastelessly, tediously, thick, thickly, torpidly, uninterestingly, vapidly, weightily