whilom /ˈwaɪləm/adverb 3adjective 2conjunction 2 adverb3 •At some time in the past; formerly, once upon a time. •(no longer used, rare) Preceded by of or this: for some time that has passed.This money I do give ye, because of vvhilom You have bin thought my sonne, and by myselfe too, […] — 1610 •(no longer used) At times, on occasion, sometimes.Wald ze be lov'd, this lessone mon ze leir; Flie vhylome Love, and it will folou thee. — 1599 adjective2 •At some time in the past; former, sometime.[S]he was expecting to be joined there by no such pale fellow-adventurer as her whilom uncle. — 1909 •(no longer used) Of a person: deceased, late. conjunction2 •(dialect, literary) During the same time that; while.Subjects their King, the King his Subjects greets, VVhilome the Scepter and the Plough-staffe meets. — 1647 •(dialect, literary) Up to the time that; till, until.