<p><strong>Adjective</strong></p><ul><li>done, proceeding, or occurring with promptness or rapidity, as an action, process, etc.; prompt; immediate: a quick response.</li><li>occurring without transition from the previous form, state, etc.; abrupt: a sudden turn.</li><li>easily provoked or excited; hasty: a quick temper.</li><li>keenly responsive; lively; acute: a quick wit.</li><li>acting with swiftness or rapidity: a quick worker.</li></ul><p><strong>Noun</strong></p><ul><li>living persons: the quick and the dead.</li><li>the tender, sensitive flesh of the living body, especially that under the nails: nails bitten down to the quick.</li><li>the vital or most important part.</li><li>a line of shrubs or plants, especially of hawthorn, forming a hedge.</li></ul><p><strong>Adverb</strong></p><ul><li>quickly.</li></ul>