A psychologic or psychiatric term indicating the thwarting of or inability to gratify a desire or to satisfy an urge or need. [L. frustro, pp. -atus, to deceive, disappoint, fr. frustra (adv.), in vain]
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frus·tra·tion (.)frəs-'trā-shən n
1) a deep chronic sense or state of insecurity and dissatisfaction arising from unresolved problems or unfulfilled needs
2) something that frustrates
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frus·tra·tion (frəs-traґshən) 1. the blocking or thwarting of purposes, desires, actions, or impulses. 2. a feeling of tension arising when such thwarting occurs.Medical dictionary. 2011.