Simple past tense and past participle of forestall.(verb)
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Use "forestalled" in a sentence
"Sapphire, at least the title forestalled any copyright claims."
"There was some doubt as to the starting of a great favourite, owing to a report that the owner had been "forestalled" -- an excuse which always sounds very weak to me, as surely if outsiders can back a horse at"
"Darwin did so, shocked that he had been "forestalled"."