<p><strong>Verb:</strong></p><ul><li>to make a sudden, sharp, distinct sound; crack, as a whip; crackle.</li><li>to click, as a mechanism or the jaws or teeth coming together.</li><li>to move, strike, shut, catch, etc., with a sharp sound, as a door, lid, or lock.</li><li>to break suddenly, especially with a sharp, cracking sound, as something slender and brittle: The branch snapped.</li><li>to act or move with quick or abrupt motions of the body: to snap to attention.</li><li>to take a photograph, especially without formal posing of the subject.</li><li>to make a quick or sudden bite or grab (often followed by at).</li><li>to utter a quick, sharp sentence or speech, especially a command, reproof, retort, etc. (often followed by at).</li><li>to be radiant; sparkle; flash, as the eyes.</li></ul><p><strong>Noun:</strong></p><ul><li>a quick, sudden action or movement, as the flick of a whip or the breaking of a twig.</li><li>a short, sharp sound, as that caused by breaking a twig or closing a latch.</li><li>a catch or fastener that closes by pressure and clicks together.</li><li>Informal. briskness, vigor, or energy: That song has a lot of snap.</li><li>a quick, sharp speech or manner of speaking: He uttered his commands with a snap.</li><li>a quick or sudden bite or grab, as at something: The fish ate with little snaps.</li><li>something obtained by or as by biting or grabbing: a snap of food.</li><li>a brittle cookie.</li><li>a short spell or period, as of cold weather: an unexpected cold snap.</li><li>snapshot (def 1).</li><li>Informal. an easy, profitable, or agreeable position, piece of work, or the like: This job is a snap.</li><li>Football. the act or an instance of snapping the ball.</li><li>snap bean (def).</li><li>Informal. snapdragon (def 1).</li><li>British. a packed lunch, as that carried by a worker or traveler.</li></ul><p><strong>Adjective:</strong></p><ul><li>fastening or closing with a click or snap, as a device fitted with a spring catch: a snap lock.</li><li>made, done, taken, etc., suddenly, offhand, or without warning: a snap election called years ahead of schedule.</li><li>easy or simple.</li></ul><p><strong>Adverb:</strong></p><ul><li>in a brisk, sudden manner.</li></ul><p><strong>Interjection:</strong></p><ul><li>(an exclamation of surprise, wonder, pleasure, regret, disappointment, etc.): Oh snap! I forgot we had a test today!</li></ul><p><strong>Verb Phrase:</strong></p><ul><li>to come to attention: The troops snapped to when the colonel walked in.</li><li>to shape up: If you don't snap to and study, you'll flunk the course.</li></ul>