Definition of high-pressure
noun
a condition of the atmosphere in which the pressure is above average (e.g., in an anticyclone): the high pressure over Texas continues [as modifier]:a high-pressure system moving down from the north
adjective
1involving or using much physical force:high-pressure jets of freezing water
2involving a high degree of anxiety or stress:he worked in a high-pressure advertising job (of a salesperson or sales pitch) employing a high degree of coercion; insistent:high-pressure marketing tactics
