<p><strong>Noun</strong></p><ul><li>productive activity, especially for the sake of economic gain.</li><li>the body of persons engaged in such activity, especially those working for wages.</li><li>this body of persons considered as a class (management and capital).</li><li>physical or mental work, especially of a hard or fatiguing kind; toil.</li><li>a job or task done or to be done.</li><li>the physical effort and periodic uterine contractions of childbirth.</li><li>the interval from the onset of these contractions to childbirth.</li><li>a tender, melancholy look or expression.</li></ul><p><strong>Verb</strong></p><ul><li>to perform labor; exert one's powers of body or mind; work; toil.</li><li>to strive, as toward a goal; work hard (often followed by for): to labor for peace.</li><li>to act, behave, or function at a disadvantage (usually followed by under): to labor under a misapprehension.</li><li>to be in the actual process of giving birth.</li><li>to roll or pitch heavily, as a ship.</li><li>to develop or dwell on in excessive detail: Don't labor the point.</li><li>to burden or tire: to labor the reader with unnecessary detail.</li><li>to work or till (soil or the like).</li></ul><p><strong>Adjective</strong></p><ul><li>of or relating to workers, their associations, or working conditions: labor reforms.</li></ul>