fare thee well UK /ˌfɛː(ɹ)ðiː ˈwɛl/US [ˌfɛɚ ðiˑ ˈwɛl]noun 1phrase 1forms 1 noun1 •The greatest extent; completion; a state of refinement or perfection. phrase1 •(no longer used) Goodbye, farewell.I must not heare thee, fare thee wel kind maide,[…]. — 1604 formsfare thee wells