Definition of "liminal" in English

adjective

Of or pertaining to an entrance or threshold.
(anthropology, literary theory) Pertaining to or in a state that is in-between or transitional between two (or more) other states, while belonging to neither; pertaining to or in a state such as to be neither definitively in a particular other state or category nor definitively outside it.
Of or pertaining to a beginning or first stage of a process.