<p><strong>Adjective</strong></p><ul><li>Disposed to preserve existing conditions, institutions, etc., or to restore traditional ones, and to limit change.</li><li>Cautiously moderate or purposefully low: a conservative estimate.</li><li>Traditional in style or manner; avoiding novelty or showiness: conservative suit.</li><li>Of or relating to the Conservative party.</li><li>Of, relating to, or characteristic of Conservative Jews or Conservative Judaism.</li><li>Having the power or tendency to conserve or preserve.</li><li>Mathematics: (of a vector or vector function) having curl equal to zero; irrotational; lamellar.</li></ul><p><strong>Noun</strong></p><ul><li>A person who is conservative in principles, actions, habits, etc.</li><li>A supporter of conservative political policies.</li><li>(Initial capital letter) A member of a conservative political party, especially the Conservative party in Great Britain.</li><li>A preservative.</li></ul>