Source : Webster's Revised Unabridged Dictionary (1913)

Fatigue \Fa*tigue"\, n. [F., fr. fatiguer to fatigue, L.
   fatigare; cf. L. affatim sufficiently.]
   1. Weariness from bodily labor or mental exertion; lassitude
      or exhaustion of strength.

   2. The cause of weariness; labor; toil; as, the fatigues of
      war. --Dryden.

   3. The weakening of a metal when subjected to repeated
      vibrations or strains.

   {Fatigue call} (Mil.), a summons, by bugle or drum, to
      perform fatigue duties.

   {Fatigue dress}, the working dress of soldiers.

   {Fatigue duty} (Mil.), labor exacted from soldiers aside from
      the use of arms. --Farrow.

   {Fatigue party}, a party of soldiers on fatigue duty.

Fatigue \Fa*tigue"\, v. t. [imp. & p. p. {Fatigued}; p. pr. &
   vb. n. {Fatiguing}, n.] [Cf. F. fatiguer. See {Fatigue}, n.]
   To weary with labor or any bodily or mental exertion; to
   harass with toil; to exhaust the strength or endurance of; to
   tire.

   Syn: To jade; tire; weary; bore. See {Jade}.

Source : WordNet®

fatigue
     v 1: get tired of something or somebody [syn: {tire}, {pall}, {weary},
           {jade}]
     2: exhaust or tire through overuse or great strain or stress;
        "We wore ourselves out on this hike" [syn: {tire}, {wear
        upon}, {tire out}, {wear}, {weary}, {jade}, {wear out}, {outwear},
         {wear down}, {fag out}, {fag}] [ant: {refresh}]

fatigue
     n 1: temporary loss of strength and energy resulting from hard
          physical or mental work; "he was hospitalized for
          extreme fatigue"; "growing fatigue was apparent from the
          decline in the execution of their athletic skills";
          "weariness overcame her after twelve hours and she fell
          asleep" [syn: {weariness}, {tiredness}]
     2: used of materials (especially metals) in a weakened state
        caused by long stress; "metal fatigue"
     3: (always used with a modifier) boredom resulting from
        overexposure to something; "he was suffering from museum
        fatigue"; "after watching TV with her husband she had a
        bad case of football fatigue"; "the American public is
        experiencing scandal fatigue"; "political fatigue"
     4: labor of a nonmilitary kind done by soldiers (cleaning or
        digging or draining or so on); "the soldiers were put on
        fatigue to teach them a lesson"; "they were assigned to
        kitchen fatigues" [syn: {fatigue duty}]