forms the third person imperative in the singular and plural; let, may / forms the first person imperative in the singular; used only with perfective verbs; let, may

(idiomatic) long live

(idiomatic) as I live and breathe, used as a mild swear of surprise

Used other than figuratively or idiomatically: see niech, być. / so be it (indicates acceptance of a situation)

(idiomatic) God forbid, heaven forbid

(idiomatic) the king is dead, long live the king!

(idiomatic) Alternative form of niech się dzieje, co chce.

(idiomatic) come what may

slovenly, scruffy, squalid, untidy, messy / sloppy, slipshod

feminine nominative singular of niechlujny / feminine vocative singular of niechlujny