<p><strong>Noun</strong></p><ul><li>painfully difficult or burdensome work; toil.</li><li>Synonyms: moil, labor.</li><li>pain, anguish, or suffering resulting from mental or physical hardship.</li><li>Synonyms: agony, torment.</li><li>the pain of childbirth.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to suffer the pangs of childbirth; be in labor.</li><li>to toil or exert oneself.</li></ul>