| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | extreme in direction, course |
| Synonyms: | abrupt, arduous, breakneck, declivitous, elevated, erect, headlong, high, hilly, lifted, lofty, perpendicular, precipitate, precipitous, prerupt, raised, sharp, sheer, straight-up |
| Notes: | a gentle slope is a glacis; a precipitous slope is a steep |
| Antonyms: | gentle, mild, moderate |