warble n. + Add to list US //ˈwɔɹbəɫ// UK //wˈɔːbəl// war·ble SynonymsEtymology Synonyms descantquavertrillyodelEtymology 1 Perhaps onomatopoeic.Etymology 2FRK*werbel→MEwerble→ENwarble From Middle English werble (at least for the noun), from Frankish *werbel (mole cricket), cognate to Walloon waerbea.