<p><strong>Adjective</strong></p><ul><li>good-naturedly direct, blunt, or frank; heartily outspoken: a big, bluff, generous man.</li><li>Synonyms: straightforward, plain-spoken, honest, open, forthright, direct, blunt</li><li>Antonyms: roundabout, indirect, circuitous</li><li>presenting a bold and nearly perpendicular front, as a coastline: a bluff, precipitous headland.</li><li>Synonyms: steep, abrupt</li><li>Nautical: (of the bow of a vessel) having a full, blunt form.</li></ul><p><strong>Noun</strong></p><ul><li>a cliff, headland, or hill with a broad, steep face.</li><li>North Dakota, Wisconsin, and the Canadian Prairie Provinces.</li><li>a clump or grove of trees on a prairie or other generally treeless area.</li></ul>