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open (not limited or closed)

open (not covered)

open (of a wound, resulting from an incision, puncture or any other process by which the skin no longer protects an internal part of the body)

open (available or accessible)

open (receptive)

open (candid, ingenuous, not subtle in character)

open (public, not hidden; with open access, of open science, or both)

open (public, not hidden; with open access, of open science, or both) open-source

open (not settled or adjusted; not decided or determined; not closed or withdrawn from consideration)

open (actively conducting or prepared to conduct business)

open (of a vowel; uttered with a relatively wide opening of the articulating organs)

open (not physically drawn together, closed, folded or contracted; extended)