<p><strong>Verb</strong></p><ul><li>to make more rapid; accelerate; hasten: She quickened her pace.</li><li>to give or restore vigor or activity to; stir up, rouse, or stimulate: to quicken the imagination.</li><li>to revive; restore life to: The spring rains quickened the earth.</li></ul><p><strong>Synonyms</strong></p><ul><li>enliven</li><li>vitalize</li><li>animate</li><li>vivify</li></ul><p><strong>Noun</strong></p><ul><li>to become more active, sensitive, etc.: This drug causes the pulse to quicken.</li><li>to become alive; receive life.</li></ul><p><strong>Adjective</strong></p><ul><li>(of the mother) to enter that stage of pregnancy in which the fetus gives indications of life.</li><li>(of a fetus in the womb) to begin to manifest signs of life.</li></ul>