<p><strong>Noun</strong></p><ul><li>a thrusting blow, especially with the fist.</li><li>forcefulness, effectiveness, or pungency in content or appeal; vigor; zest: This ad copy you wrote isn't bad, but it needs more punch.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) to give a sharp thrust or blow to, especially with the fist.</li><li>(used without object) to give a sharp blow to a person or thing, as with the fist: The boxer punches well.</li><li>(verb phrase) to call up (information) on a computer by the use of a keyboard: She punched up a list of hotel reservations.</li><li>(informal) to enliven, as with fresh ideas or additional material: You'd better punch up that speech with a few jokes.</li><li>(informal) to keep trying or working, especially in difficult or discouraging circumstances; persevere: How long have you been punching away at the same old job?</li><li>to record one's time of arrival at work by punching a time clock.</li><li>to keyboard (information) into a computer: I was punching in the inventory figures when the system crashed.</li><li>to record one's time of departure from work by punching a time clock.</li><li>(slang) to beat up or knock out with the fists.</li><li>to extract (information) from a computer by the use of a keyboard: This function lets you quickly punch out a report when sales audit time comes along.</li><li>to bail out; eject from an aircraft.</li></ul>