antonyms non-exposed, unexposed Subject to a factor that is under study in the environment, for instance an environmental hazard.

Capable of being inadvertently touched by a person because it is not suitably guarded, isolated or insulated.

1(of a place) not protected from the weather by trees, buildings, or high ground The cottage is in a very exposed position on the top of a hill.2(of a person) not protected from attack or criticism Sh [..]

with no protection or shield; "the exposed northeast frontier"; "open to the weather"; "an open wound" not covered with cl [..]

lay open, leave unconverted or unprotected.

(adj) with no protection or shield(adj) not covered with clothing

– A tile that is face up and can be seen, part of a player's set or a discarded tile.

A group whose members have been exposed to a supposed cause of disease or health state of interest, or possess a characteristic that is a determinant of the health outcome of interest.

(usually followed by to) Vulnerable, susceptible. (exposed to abuse;  exposed to danger) *open to the weather en|verb form expose

The kind of position where you suddenly realise how far away the ground has become; a route or move that takes you into such a position. [Tony Buckley]