peri·phras·tic /ˌpɛrəˈfræstɪk/
  (a.)委婉的,迂迴的,冗長的
  Per·i·phras·tic Per·i·phras·tic·al a.  Expressing, or expressed, in more words than are necessary; characterized by periphrase; circumlocutory.
  Periphrastic conjugation Gram., a conjugation formed by the use of the simple verb with one or more auxiliaries.
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  periphrastic
       adj : roundabout and unnecessarily wordy; "had a preference for
             circumlocutious (or circumlocutory) rather than
             forthright expression"; "A periphrastic study in a
             worn-out poetical fashion,/ Leaving one still with the
             intolerable wrestle/ With words and
             meanings."-T.S.Eliot; (`ambagious' is archaic) [syn: circumlocutious,
              circumlocutory, ambagious]