4. Slow; sluggish; inactive; or lifeless, dull, inanimate, stupid; as, a heavy gait, looks, manners, style, and the like; a heavy writer or book. Whilst the heavy plowman snores. Shak. Of a heavy, dull, degenerate mind. Dryden. Neither [is] his ear heavy, that it can not hear. Is. lix. 1.
5. Strong; violent; forcible; as, a heavy sea, storm, cannonade, and the like.
6. Loud; deep; — said of sound; as, heavy thunder. But, hark! that heavy sound breaks in once more. Byron.
7. Dark with clouds, or ready to rain; gloomy; — said of the sky.
8. Impeding motion; cloggy; clayey; — said of earth; as, a heavy road, soil, and the like.
9. Not raised or made light; as, heavy bread.
10. Not agreeable to, or suitable for, the stomach; not easily digested; — said of food.
11. Having much body or strength; — said of wines, or other liquors.
12. With child; pregnant. [R.] Heavy artillery. (Mil.) (a) Guns of great weight or large caliber, esp. siege, garrison, and seacoast guns. (b) Troops which serve heavy guns. — Heavy cavalry. See under Cavalry. — Heavy fire (Mil.), a continuous or destructive cannonading, or discharge of small arms. — Heavy metal (Mil.), large guns carrying balls of a large size; also, large balls for such guns. — Heavy metals. (Chem.) See under Metal. — Heavy weight, in wrestling, boxing, etc., a term applied to the heaviest of the classes into which contestants are divided. Cf. Feather weight (c), under Feather.
Note: Heavy is used in composition to form many words which need no special explanation; as, heavy-built, heavy-browed, heavy-gaited, etc.