Answer: overreaching

AnswerCrossword Clue
OVERREACHINGAiming too high
OVERREACHINGGoing too far.
overreaching(of a horse, dog, or other quadruped) Bring the hind feet so far forward that they fall alongside or strike the forefeet
overreachingDefeat one's own purpose by trying to do more than is possible
overreachingReach too far
overreachingGet the better of (someone) by cunning