<p><strong>Noun</strong></p><ul><li>a big, clumsy, stupid person; lout.</li><li>an awkward or unskilled sailor; landlubber.</li></ul><p><strong>Adjective</strong></p><ul><li>clumsy; stupid; lubberly.</li></ul><p><strong>Verb</strong></p><ul><li>(used without object) to behave like a lubber, especially in the handling of a boat.</li></ul>