محکم

cast-iron, deep-set, emphatic, firm, fixed, foursquare, heavy-duty, sound, steady, strong, tenacious, tight, monolith, potent, rigid, rock, secure, set, sinewy, smartly, solid, stable, steadfast, stiff, stout, stoutly, sturdy, substantial, sure, tightfitting, tough, vigorous, watertight, well-knit