lightsome /ˈlaɪtsəm/ adjective3 •Upbeat; cheery; light graceful.When I was of your youth, I was lightsome and quick two years before I was married. — 1999 •Characterised by lightness of weight, not heavy; nimble, active. •(literary) Characterised by light; luminous; emitting or manifesting light; radiant.While in their mothers wombe enclosd they were, / Ere they into the lightsom world were brought, / In fleshly lust were mingled both yfere […] — 1590 formsmore lightsome · most lightsome