Entry 1 sense Webster, 1913 Abrenunciation · Ab·re·nun·ci·a·tion · IPA /ˌæb.ɹi.nʌn.siˈeɪ.ʃn̩/ 01 n. Absolute renunciation or repudiation. 1. Absolute renunciation or repudiation.[Obs.] “An abrenunciation of that truth which he so long had professed, and still believed.” — Fuller.