Answer: tiring

AnswerCrossword Clue
TIRINGAdjective for a trek
tiringthe act of tiring
tiringto make or become exhausted or bored
TIRINGLike a good workout
TIRINGEnervative
TIRINGLaborious
TIRINGFading fast
TIRINGLike hard work
TIRINGBurdensome
TIRINGStrenuous
TIRINGArduous
TIRINGBoresome
TIRINGSomewhat weary
TIRINGLike laborious work
TIRINGBecoming boresome
TIRINGWearisome
TIRINGTedious.
TIRINGExhausting
TIRINGExhaustive
TIRINGGetting weary