'no-nonsense' definitions:

Definition of 'no-nonsense'

(from WordNet)
adjective
Not tolerating irrelevancies; "the no-nonsense tones of a stern parent"

Definition of 'no-nonsense'

From: GCIDE
  • 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]