walk-in

nouns

person who walks in without having an appointment
"the emergency room was overrun with walk-ins"
is derived from
is a type of (narrower)
a human being
"there was too much for one person to do"
an operative who initiates his own defection (usually to a hostile country) for political asylum
is a type of (narrower)
a person who abandons their duty (as on a military post)
is a type of (narrower)
a person secretly employed in espionage for a government
an assured victory (especially in an election)
a small room large enough to admit entrance
is a type of (narrower)
an area within a building enclosed by walls and floor and ceiling
"the rooms were very small but they had a nice view"

adjectives

(of e.g. closets or refrigerators) extending very far enough back to allow a person to enter
"a deep walk-in refrigerator"; "walk-in closets"
is similar to
having great spatial extension or penetration downward or inward from an outer surface or backward or laterally or outward from a center; sometimes used in combination
"a deep well"; "a deep dive"; "deep water"; "a deep casserole"; "a deep gash"; "deep massage"; "deep pressure receptors in muscles"; "deep shelves"; "a deep closet"; "surrounded by a deep yard"; "hit the ball to deep center field"; "in deep space"; "waist-deep"