heavy
adj.adj. having a lot of weight. You use this to describe things that are difficult to lift or move.
adj. possessing great weight; difficult to lift or move due to mass. Often used figuratively to describe something intense, serious, or substantial in quantity.
This suitcase is too heavy for me to carry alone.
The movers had to use a special trolley to transport the heavy oak desk up the stairs.
Despite the heavy rainfall and the weight of their saturated gear, the hikers continued their ascent toward the summit before nightfall.
From Middle English hevy, heviȝ, from Old English hefiġ, hefeġ, hæfiġ (“heavy; important, grave, severe, serious; oppressive, grievous; slow, dull”), from Proto-West Germanic habīg (“heavy, hefty, weighty”), from Proto-Germanic habīgaz (“heavy, hefty, weighty”), from Proto-Indo-European *kap- (“to take, grasp, hold”). Related to have. Cognate with Scots hevy, havy, heavy (“heavy”), Saterland Frisian heeuwich, häwich (“violent, angry”), West Frisian hevich (“violent”), Dutch hevig (“violent, severe, intense, acute”), German Low German hevig (“violent, fierce, intense, angry”), German hebig (compare heftig (“fierce, severe, intense, violent, heavy”)), Icelandic höfugur (“heavy, weighty, important”), Latin capāx (“large, wide, roomy, spacious, capacious, capable, apt”). Compare typologically Russian объёмный (obʺjómnyj), ёмкий (jómkij) (akin to име́ть (imétʹ), взять (vzjatʹ)).
From heave + -y.
Typically placed before the noun it modifies or after a linking verb like 'be' or 'feel'.