head wind (?.)
- aerospace
- aerosphere
- air current
- air hole
- air pocket
- airspace
- backing wind
- beam wind
- bucking
- bump
- ceiling
- challenge
- contention
- contradiction
- contraposition
- contravention
- contraversion
- counteraction
- counterbalance
- counterblast
- countercurrent
- counterforce
- counterinfluence
- counterpoise
- counterpressure
- counterweight
- counterworking
- crosscurrent
- crossing
- crosswind
- current
- current of air
- denial
- downdraft
- draft
- empty space
- fair wind
- fall wind
- favorable wind
- flow of air
- fog
- following wind
- foul wind
- front
- high-pressure area
- hole
- impugnation
- impugnment
- indraft
- inflow
- inhalation
- inrush
- inspiration
- ionosphere
- jetstream
- katabatic wind
- low-pressure area
- monsoon
- movement of air
- negation
- opposing
- opposition
- opposure
- oppugnation
- overcast
- rebutment
- rebuttal
- refusal
- rejection
- relative wind
- resistance
- roughness
- slant of wind
- soup
- space
- standing against
- stratosphere
- stream
- stream of air
- substratosphere
- tail wind
- traversal
- tropopause
- troposphere
- trough
- turbulence
- undercurrent
- updraft
- veering wind
- visibility
- visibility zero
- wind
