uphill

/ˈʌpˈhɪl/ adj, adv

Definition

› leading to a higher place on a slope: The runners began the uphill climb to the finish line. As we started driving uphill, the car made a strange noise. › fig.Uphill can also mean difficult and needing a large amount of effort: Recovering from the accident will be an uphill battle for her, but she’s doing well.

(Definition of uphill adj, adv from the Cambridge Academic Content Dictionary © Cambridge University Press)