| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | hard, dimensional |
| Synonyms: | brick wall, close, compact, compacted, concentrated, concrete, consolidated, dense, firm, fixed, heavy, hefty, hulk, hunk, husky, massed, material, physical, rock, rocklike, rooted, secure, set, sound, stable, strong, sturdy, substantial, thick, tight, unshakable |
| Antonyms: | fluid, gaseous, insubstantial, liquid, soft, vaporous |