\Im"plex\, a. [L. implexus, p. p. of implectere to
infold; pref. im- in + plectere to plait: cf. F implexe.]
Intricate; entangled; complicated; complex.
      The fable of every poem is . . . simple or implex. it
      is called simple when there is no change of fortune in
      it; implex, when the fortune of the chief actor changes
      from bad to good, or from good to bad.   --Addison.