'Uphill' definitions:

Definition of 'uphill'

From: WordNet
adverb
Against difficulties; "she was talking uphill"
adverb
Upward on a hill or incline; "this street lay uphill"
adjective
Sloping upward [syn: acclivitous, rising, uphill]
noun
The upward slope of a hill

Definition of 'Uphill'

From: GCIDE
  • Uphill \Up*hill"\, adv. Upwards on, or as on, a hillside; as, to walk uphill. [1913 Webster]

Definition of 'Uphill'

From: GCIDE
  • Uphill \Up"hill`\, a.
  • 1. Ascending; going up; as, an uphill road. [1913 Webster]
  • 2. Attended with labor; difficult; as, uphill work. [1913 Webster]

Synonyms of 'uphill'

From: Moby Thesaurus