Simple past tense and past participle of impend.(verb)
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Use "impended" in a sentence
"In that respect private capitalism under a consolidated plutocracy, such as impended at the time of the Revolution, would have been a worse threat to the world's future than the competitive system; but as to the immediate bearings of the two systems on human welfare, private capital in the consolidated form might have had some points of advantage."
"He knew the prod of impulse to join in this rush away from some unthinkably catastrophic event that impended and that stirred his intuitive apprehensions of death."
"Then he identified the noise, know that no harm impended, and resumed his stealthy advance on the Irish terrier."