from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Easily tired or wearied; capable of being fatigued.
from the GNU version of the Collaborative International Dictionary of English
- adj. Capable of being wearied or tired out.
from The Century Dictionary and Cyclopedia
- Liable to be wearied.
Latin defatigatus past participle of defatigare: to tire or weary. (Wiktionary)