Adjective high pressure has 1 sense
  1. hard-hitting, high-pressure - aggressively and persistently persuasive; "a hard-hitting advertising campaign"; "a high-pressure salesman"
    Antonyms: unaggressive, nonaggressive (indirect, via aggressive)
,Noun high pressure has 1 sense
  1. high, high pressure - an air mass of higher than normal pressure; "the east coast benefits from a Bermuda high"
    --1 is a kind of air mass
    --1 is a part of anticyclone
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