Simple past tense and past participle of rile.(verb)
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Use "riled" in a sentence
"It was testament to the emotions Irvin riled up — for pushing off, for making his exaggerated first-down gesture and just plain being Michael Irvin."
"I had been out plum hunting with the children, and was up in my room, changing my dress when he came, and I couldn't help feeling "riled" - there is no other word that expresses it - when I peeped through the blinds and saw him breaking open and prying into these poor little relics of the Confederacy."
"Last summer, Tina Brown's title riled up the right with its controversial cover photo of Michele Bachmann."