rigid, hard, stiff, tough, unyielding

exchange of fire, knock, crackle, peal (of thunder), rattle; hard frost, frozen stiff, intense heat

heavy, difficult, hard to digest, indigestible, lazy, burdensome

hard labor, toil, effort, exertion

hard-working, laboring, pertaining to labor

firm, steadfast, composed, stable

established, firm, stable, sound

to establish, to stabilize, make firm, sound

to be established, become firm, stable sound

long-lasting, steady, stable, strong, firm

to soil, defile, muddy, destroy

swamp, moist arable soil, pool in a bog

to make dirty, soil

fruitful, rich (as in soil), fertile

fruitful, rich (as in soil), fertile

jungle, forest, wild

of the forest, jungle, wild

thicket of bushes/rushes; heart of the forest