natural pressure
- atmosphericOf the air above
- forceStrength or compulsion
- compressionForcing into smaller space
- gravityMutual mass attraction
- stressPressure, mental or vocal
tension · barometric · weight · push · squeeze · underground · geothermal · tectonic · buildup · release · equilibrium · hydrostatic · organic · innate · instinctive · ambient · environmental · earthy