Answer: striving

AnswerCrossword Clue
STRIVINGWorking hard.
STRIVINGDoing battle.
STRIVINGEndeavor.
STRIVINGContending
STRIVINGEndeavoring
STRIVINGGoal-oriented activity
STRIVINGTrying hard
STRIVINGGiving it 110%, so to speak
strivingthe act of striving
strivingto try hard; struggle