unpressurized
/ʌnˈprɛʃəˌraɪzd/
adjective
- Not having the internal air pressure adjusted or maintained at a level different from the outside; not pressurized.
- Small aircraft are often unpressurized, so passengers may need oxygen masks at high altitudes.
- In an unpressurized cabin, the air feels thinner and colder as you climb.
- The unpressurized cargo hold cannot carry items that are sensitive to pressure changes.
- Not subjected to social or psychological pressure; relaxed and informal.
- She preferred an unpressurized work environment where creativity could flourish.
- Their friendship remained unpressurized, with no expectations or demands.
- The unpressurized meeting allowed everyone to speak freely without fear of criticism.