Simple past tense and past participle of league.(verb)
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Use "leagued" in a sentence
"We did feel, nearly all of us, the desire more than ever to remain leagued with her courage and energy and honesty, with her independence and self-reliance, with her great history, her great literature, her great and sane freedom."
"In the end Ahuna and I, old school and new school leagued together, won out."
"And if she did tell the truth, Mother Berthildis would probably think her leagued with the devil."