no-nonsense /(nō`nŏn"sĕns)/

no·-non·sense

no-nonsense

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.
  2. Serving the purpose without unnecessary complications; uncomplicated; plain; not fancy.
  3. Practical and economical.