upwind
1. [ adverb ] in the direction opposite to the direction the wind is blowing
Synonyms: into_the_wind against_the_wind
Examples:

"they flew upwind"

Related terms: downwind
2. [ adverb ] (nautical) toward the wind
Synonyms: leeward
Examples:

"they were sailing leeward"

Related terms: windward windward
3. [ adjective ] towards the side exposed to wind
Synonyms: weather
Related terms: windward
Similar spelling:   upend
  upended
  upending
  upbound