<p><strong>Verb (used with object)</strong></p><ul><li>to make use of as relevant, suitable, or pertinent: to apply a theory to a problem.</li><li>to put to use, especially for a particular purpose: to apply pressure to open a door.</li><li>to bring into action; use; employ: He applied the brakes and skidded to a stop.</li><li>to use a label or other designation: Don't apply any such term to me.</li><li>to use for or assign to a specific purpose: He applied a portion of his salary each week to savings.</li><li>to put into effect: They applied the rules to new members only.</li><li>to devote or employ diligently or with close attention: to apply one's mind to a problem; to apply oneself to a task.</li><li>to place in contact with; lay or spread on: to apply paint to a wall; to apply a bandage to a wound.</li><li>to bring into physical contact with or close proximity to: to apply a match to gunpowder.</li><li>to credit to, as an account: to apply $10 to his account at the store.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to be pertinent, suitable, or relevant: The argument applies to the case.</li><li>to make an application or request; ask: to apply for a job; to apply for a raise.</li><li>to lay or spread on: The plastic coating is easy to apply on any surface.</li><li>to be placed or remain in contact: This paint doesn't apply very easily.</li></ul>