1540s, "divorce" (of a woman by a man), from Latin repudiationem (nominative repudiatio) "a rejection, refusal," noun of action from past participle stem of repudiare (see repudiate). Meaning "action of disowning" is from 1840s.
Congressional repudiation of the treaty that the President had negotiated
the repudiation of the debt by the city
republicanism
republication
Republicrat
republish
repudiate
repudiation
repudiatory
repugn
repugnance
repugnant
repulse