WordNet sense 1 (morally bad in principle or practice):

wicked, wicked

WordNet sense 2 (permitting little if any light to pass through because of denseness of matter):

impenetrable

WordNet sense 3 (relatively dense in consistency):

thick

WordNet sense 4 (excessive in behavior):

intemperate

WordNet sense 5 (full and loud and deep):

sonorous

WordNet sense 6 ((of sound) having marked depth and body):

full

WordNet sense 7 (given to excessive indulgence of bodily appetites especially for intoxicating liquors):

hard

WordNet sense 8 (characterized by or given to yielding to the wishes of someone ):

indulgent

WordNet sense 9 (of great gravity or crucial import; requiring serious thought):

grievous, grave

WordNet sense 10 (of great significance or value):

of import

WordNet sense 11 (slow and laborious because of weight):

lumbering

WordNet sense 12 ((of movement) lacking ease or lightness):

heavy-footed

WordNet sense 13 (marked by intense physical force):

big

WordNet sense 14 (severe):

harsh

WordNet sense 15 (weighing heavily on the spirit; causing anxiety or worry):

weighty

WordNet sense 16 (weighing heavily on the senses or spirit):

oppressive

WordNet sense 17 (made heavy or weighted down with weariness):

leaden, weighted

WordNet sense 18 (not easily borne; wearing):

burdensome, onerous

WordNet sense 19 (designed for heavy work):

heavy-duty

WordNet sense 20 (consisting of great mass; containing a great quantity of matter):

massive

WordNet sense 21 (of considerable weight and size):

hefty

WordNet sense 22 (having high relative density or specific gravity):

dense

WordNet sense 23 (digested with difficulty):

indigestible

WordNet sense 24 (full of; bearing great weight):

weighed down

WordNet sense 25 (usually describes a large person who is fat but has a large frame to carry it):

fleshy, overweight

WordNet sense 26 (having much flesh (especially fat)):

fat

WordNet sense 27 (having great mass and weight and unwieldiness):

ponderous

WordNet sense 28 (requiring or showing effort):

labored, laboured

WordNet sense 29 (characterized by toilsome effort to the point of exhaustion; especially physical effort):

arduous, backbreaking, grueling, gruelling, laborious, punishing, toilsome, operose

WordNet sense 30 (lacking in liveliness or animation):

dull

WordNet sense 31 ((of sleep) deep and complete):

profound, sound, wakeless

WordNet sense 32 (relatively deep or strong; affecting one deeply):

deep

WordNet sense 33 ((used of soil) compact and fine-grained):

clayey, cloggy

WordNet sense 34 (darkened by clouds):

sullen, threatening, lowering

WordNet sense 35 (full of or covered with clouds):

cloudy

WordNet sense 36 (slowly as if burdened by much weight):

heavily

WordNet sense 37 (in an advanced stage of pregnancy):

expectant, gravid, great, large, enceinte, with child

WordNet sense 38 (carrying developing offspring within the body or being about to produce new life):

pregnant