Definition of "overextend" []

• To expand or disperse beyond a safe or reasonable limit: overextended their defenses. (verb-transitive)
• To obligate (oneself) beyond a limit, especially a financial one. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• ""I tend to be kind of overextend myself sometimes, and I overcommit, so I committed to a few things that were probably too early," she said in an interview following rehearsal for a Toronto show."
• "Don't overextend yourself, but raise your hand when a manager asks for help."
• "Most empires collapsed when they tried to overextend militarily."