The Collaborative International Dictionary of English v.0.48:

Warlike \War"like`\, a.
   1. Fit for war; disposed for war; as, a warlike state; a
      warlike disposition.
      [1913 Webster]

            Old Siward, with ten thousand warlike men. --Shak.
      [1913 Webster]

   2. Belonging or relating to war; military; martial.
      [1913 Webster]

            The great archangel from his warlike toil Surceased.
                                                  --Milton.
      [1913 Webster]

   Syn: Martial; hostile; soldierly. See Martial.
        [1913 Webster]

WordNet (r) 3.0 (2006):

warlike
    adj 1: disposed to warfare or hard-line policies; "militant
           nations"; "hawkish congressman"; "warlike policies" [syn:
           militant, hawkish, warlike]
    2: suggesting war or military life [syn: warlike, martial]

Moby Thesaurus II by Grady Ward, 1.0:

52 Moby Thesaurus words for "warlike":
   aggressive, antagonistic, battling, bellicose, belligerent,
   bloodthirsty, bloody, bloody-minded, chauvinist, chauvinistic,
   combative, contending, contentious, contestant, contesting,
   disputant, enemy, ferocious, fierce, fighting, full of fight,
   hawkish, hostile, inimical, jingo, jingoish, jingoist, jingoistic,
   martial, militant, militaristic, military, offensive, pugnacious,
   quarrelsome, saber-rattling, sanguinary, sanguineous, savage,
   scrappy, soldierlike, soldierly, striving, struggling,
   trigger-happy, truculent, unfriendly, unpacific, unpeaceable,
   unpeaceful, warmongering, warring