Simple past tense and past participle of prognosticate.(verb)
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Use "prognosticated" in a sentence
"Everything, in short, prognosticated the downfall of the last remaining throne of the Moors."
"Both sides of the ledger seem like what I would have predicted. also, temperatures in boston went down when obamacare was passed. so it must be good for solving global warming. exactly as nostradamus prognosticated."
"On the third day my mother sickened; her fever was accompanied by the most alarming symptoms, and the looks of her medical attendants prognosticated the worst event."