The Collaborative International Dictionary of English v.0.48:

Halt \Halt\, v. i. [imp. & p. p. Halted; p. pr. & vb. n.
   Halting.]
   1. To hold one's self from proceeding; to hold up; to cease
      progress; to stop for a longer or shorter period; to come
      to a stop; to stand still.
      [1913 Webster]

   2. To stand in doubt whether to proceed, or what to do; to
      hesitate; to be uncertain.
      [1913 Webster]

            How long halt ye between two opinions? --1 Kings
                                                  xviii. 21.
      [1913 Webster]

WordNet (r) 3.0 (2006):

halting
    adj 1: disabled in the feet or legs; "a crippled soldier"; "a
           game leg" [syn: crippled, halt, halting, lame,
           gimpy, game]
    2: fragmentary or halting from emotional strain; "uttered a few
       halting words of sorrow"

Moby Thesaurus II by Grady Ward, 1.0:

180 Moby Thesaurus words for "halting":
   Latinate, ambidextrous, ambling, awkward, bad, balbutient,
   bombastic, broken, build up, bumbling, capricious, careening,
   castrated, catchy, cautious, choppy, circumspect, claudicant,
   clumsy, construct, cramped, crawling, creeping,
   creeping like snail, crippled, cumbrous, deliberate, desultory,
   deviative, disabled, disconnected, discontinuous, double,
   double-dealing, double-faced, double-minded, double-tongued,
   doublehearted, easy, eccentric, elephantine, emasculated, erect,
   erratic, establish, faltering, faulty, fitful, flagging,
   flickering, fluctuating, foot-dragging, forced, formal, game,
   gauche, gentle, gradual, guinde, guttering, halt, hamstrung,
   handicapped, heavy, herky-jerky, hesitant, hesitating, heteroclite,
   hobbled, hobbling, hypocritical, idle, immethodical, incapacitated,
   inconstant, indecisive, indolent, inept, inkhorn, intermittent,
   intermitting, irregular, irresolute, jerky, labored, lame, languid,
   languorous, lazy, leaden, left-handed, leisurely, limping,
   lumbering, lurching, maimed, maladroit, moderate, nonuniform,
   of two minds, patchy, poking, poky, pompous, ponderous, rambling,
   relaxed, reluctant, rough, sauntering, scrappy, sesquipedalian,
   set up, shifting, shilly-shallying, shuffling, slack, slothful,
   slow, slow as death, slow as molasses, slow as slow, slow-crawling,
   slow-foot, slow-going, slow-legged, slow-moving, slow-paced,
   slow-poky, slow-running, slow-sailing, slow-stepped, sluggish,
   snail-paced, snaillike, snatchy, spasmatic, spasmic, spasmodic,
   spastic, spavined, sporadic, spotty, staggering, stammering, stiff,
   stilted, strolling, stumbling, stuttering, tentative, toddling,
   tortoiselike, tottering, trudging, turgid, turtlelike, uncertain,
   unequal, uneven, unhandy, unhappy, unhurried, unmethodical,
   unmetrical, unregular, unrhythmical, unsettled, unsteady,
   unsystematic, unwieldy, vacillatory, variable, veering, waddling,
   wandering, wavering, wobbling, wobbly, wooden