unpressurised

Open to ambient air

Unpressurised describes a space or container that lacks artificially maintained air pressure.

An unpressurised aircraft cabin cannot sustain passengers at high altitudes where the air is too thin to breathe.

The spelling is British; American English uses unpressurized.

The cargo hold was unpressurised, so live animals couldn't be transported there.

atmospheric

cabin

Simple wooden dwelling

  • aircraftAirborne transportation vehicle
  • altitudeMeasured height above reference
  • oxygenElement eight, colorless gas

breathing · ventilation · decompression · ambient · expansion · aerospace · stratosphere · environment · atmosphere · equilibrium

relaxed

calm

Free from agitation

mellow · unwound · comfortable · at-ease · unforced · unhurried · leisurely · composed · serene · tranquil

nonjudgmental

tolerant

Accepting of differences

permissive · open-minded · understanding · supportive · patient · empathetic · compassionate · receptive · unbiased · charitable

informal

casual

Relaxed and informal

unstructured · loose · unrestricted · unofficial · unregulated · unfussy · simple · uncomplicated · noncompetitive · relaxed

Opposites
pressure state

unpressurisedpressurised

Kept at higher atmosphere

pressurized · sealed · airtight · compressed · inflated

Family

pressure, pressurize, pressurise, pressurised, pressurising, pressurization, pressurisation, overpressure, unpressurized

Familiarity
Top 500,000
Profile
Timeless · Rated G