<p><strong>Verb (used with object)</strong></p><ul><li>scrubbed, scrubbing.</li><li>to rub hard with a brush, cloth, etc., or against a rough surface in washing.</li><li>to subject to friction; rub.</li><li>to remove (dirt, grime, etc.) from something by hard rubbing while washing.</li><li>Chemistry: to remove (impurities or undesirable components) from a gas by chemical means, as sulfur dioxide from smokestack gas or carbon dioxide from exhaled air in life-support packs.</li><li>to cancel or postpone (a space flight or part of a mission): Ground control scrubbed the spacewalk.</li><li>Slang: to do away with; cancel: Scrub your vacation plans—there's work to do!</li><li>Computers: to perform routine maintenance on (data) in memory or storage with scans that detect and correct data corruption: The system is automated to scrub and archive all active records in the database.</li><li>to permanently erase (a hard drive, server, etc.), usually by writing over space where data had been stored and was later deleted, so that deleted data cannot be recovered: Scrub your computer’s hard drive before you sell or donate it.</li><li>to delete (negative or damaging online content relating to someone or something) so as to erase it from public record or social media: Before applying for jobs, I scrubbed a bunch of posts from my hard-partying past.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>scrubbed, scrubbing.</li><li>to scrape something.</li><li>to cleanse something by hard rubbing.</li><li>Digital Technology: to fast-forward or rewind in an audio or video file by dragging the progress marker forward or backward across the timeline bar: Scrub forward through the pregame and start playback from the kickoff.</li></ul><p><strong>Noun</strong></p><ul><li>an act or instance of scrubbing.</li><li>a canceled or postponed space flight, launching, scheduled part of a space mission, etc.</li><li>something, as a cosmetic preparation, used for scrubbing.</li><li>scrubs, a uniform, durably designed for frequent washing and sanitizing, usually consisting of pants and a loose-fitting top, worn by doctors, nurses, and other medical staff, especially during surgery: nursing scrubs; surgical scrubs.</li></ul><p><strong>Verb Phrase</strong></p><ul><li>to cleanse one's hands and arms as a preparation to performing or assisting in surgery.</li></ul>