Simple past tense and past participle of elaborate.(verb)
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Use "elaborated" in a sentence
"A day later, Palin elaborated on her support in a race that proved embarrassing to the GOP establishment."
"Sunday, Irvin elaborated: No one is perfect as a person."
"Mr. McCain elaborated in an interview with ABC afterwards, saying that working with the California liberal has been an unpleasant experience because Barbara Boxer personalizes the political discourse that we have and that's why she's had so very little effect of any kind in the political process."