[1] : The Collaborative International Dictionary of English v.0.48

fatigue \fatigue"\, 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.
        1913 webster
see also:
fatigued fatiguing fatigue jade 

[2] : Moby Thesaurus II by Grady Ward, 1.0

27 moby thesaurus words for "fatiguing":
   boresome, boring, devitalizing, draining, enervating, enfeebling,
   exhausting, fatiguesome, grueling, irksome, killing, punishing,
   sapping, straining, stressful, stupefyingly boring, stuporific,
   tiresome, tiring, toilsome, trying, weakening, weariful, wearing,
   wearisome, wearying, yawny

Fatiguing >> F Words
Fatiguing, definition of term: Fatiguing
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