List of unventilated synonyms and unventilated related words.
airless, blank, blind, blind-alley, breathless, breezeless, cecal, choked, choked off, close, closed, constricted, contracted, dead, dead-end, ill-ventilated, oppressive, shut, squeezed shut, stifling, strangulated, stuffy, suffocating, unopen, unopened, unvented, windless