- Having or involving a pressure greatly exceeding
that of the atmosphere; -- said of steam, air, water, etc., and of
steam, air, or hydraulic engines, water wheels, etc. - Fig.: Urgent; intense; as, a high-pressure business
or social life.
Meaning of 'high-pressure' (Princeton's WordNet)
1 . high-pressure
[ s]
Meaning (1): - aggressively and persistently persuasive