no-nonsense

from WordNet (r) 3.0 (2006)

no-nonsense
    adj 1: not tolerating irrelevancies; "the no-nonsense tones of a
           stern parent"

from The Collaborative International Dictionary of English v.0.48

no-nonsense \no`-non"sense\ (n[=o]`n[o^]n"s[e^]ns), adj.
   1. Not tolerating irrelevant or frivolous distractions;
      businesslike; serious; as, the no-nonsense tones of a
      stern parent; the chairman adopted a no-nonsense attitude.
      [WordNet sense 1]
      [WordNet 1.5]

   2. Serving the purpose without unnecessary complications;
      uncomplicated; plain; not fancy.
      [PJC]

   3. Hence: Practical and economical.
      [PJC]