liminal (LĬM-ə-nəl)

Definition

(Adjective) Characterized by being on a boundary or threshold, especially by being transitional or intermediate between two states, situations, etc.

In Context

“Biologically and culturally, for the child-apprentice it was a liminal moment as he encountered the challenges of puberty at the same time that he abandoned (and was abandoned by) his natural family in order to enter an adoptive one.”

Steven Laurence Kaplan, The Bakers of Paris and the Bread Question: 1700-1775, 1996.