Simple past tense and past participle of brood.(verb)
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Use "brooded" in a sentence
"The cloud that had shed the rain brooded apart with wings of folded gloom."
"Yet an ill name brooded over its seductive waters; for two persons had been drowned in it during the last hundred years: and the last one was the parson of the parish, returning from the squire's dinner in the normal condition of a guest, A.D."
"And I have, for years, kind of brooded about the prospect of having a global alliance between governments, chemical companies, and others that would have an interest in it, in joining together, in effect, to pay to save the rain forests."