under pressure

:  in or into a position below or beneath something

:  below or short of some quantity, level, or limit

:  in or into a condition of subjection, subordination, or unconsciousness

:  below or beneath so as to be overhung, surmounted, covered, protected, or concealed by

:  subject to the authority, control, guidance, or instruction of

:  receiving or undergoing the action or effect of

:  lower in rank or authority :  subordinate

:  the burden of physical or mental distress

:  the constraint of circumstance :  the weight of social or economic imposition

:  the application of force to something by something else in direct contact with it :  compression

:  to apply pressure to

:  pressurize

:  to cook in a pressure cooker