Laconic
Laconic , adjective
[Latin Laconicus Laconian, Greek {not transcribed}, from {not transcribed} a Laconian, Lacedamonian, or Spartan: compare French laconique.]
1.
Expressing much in few words, after the manner of the Laconians or Spartans; brief and pithy; concise; brusque; epigrammatic. In this sense laconic is the usual form.
I grow laconic even beyond laconicism; for sometimes I return only yes, or no, to questionary or petitionary epistles of half a yard long.
His sense was strong and his style laconic.
2.
Laconian; characteristic of, or like, the Spartans; hence, stern or severe; cruel; unflinching.
His head had now felt the razor, his back the rod; all that laconical discipline pleased him well.
Also: Laconical
Laconic , noun
Laconism. [Obsolete] — Addison