[syn: hard-hitting, high-pressure]
The Collaborative International Dictionary of English v.0.48:
hard-hitting \hard-hitting\ adj.
   1. characterized by or full of force and vigor; forceful; as,
      a hard-hitting expose.
   Syn: trenchant, vigorous.
        [WordNet 1.5]
   2. aggressive; as, a hard-hitting advertising campaign.
      Opposite of unaggressive.
   Syn: high-pressure.
        [WordNet 1.5]
WordNet (r) 3.0 (2006):
hard-hitting
    adj 1: characterized by or full of force and vigor; "a hard-
           hitting expose"; "a trenchant argument" [syn: hard-
           hitting, trenchant]
    2: aggressively and persistently persuasive; "a hard-hitting
       advertising campaign"; "a high-pressure salesman" [syn:
       hard-hitting, high-pressure]