Adjektive
exhausted [ more exhausted ; most exhausted ]
haggard [ more haggard ; most haggard ]
taxing [ more taxing ; most taxing ]
wearisome [ more wearisome ; most wearisome]
strained {Phys.}
مُنْهَك {فزياء}
...
tired {out}
Noun
trudger [pl. trudgers]