This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. an upward slope

adj. in a direction up a slope

ad. up a slope

"As the warm, moist air hit the Catskills and other mountains, it was forced upward, what meteorologists call upslope flow."

downslope   

ramping    plann    reconversion    spiritualization    acclimatisation    tainting    entangling    self-definition    falloff    abolishment