sky; air; ether; firmament; the heavens
air transportation; air transport
air; atmosphere; mood; situation; someone with no presence; someone who doesn't stand out at all
vacant land; unoccupied ground; empty lot
empty (e.g. argument); insubstantial; hollow; fruitless
vacant space; aperture; gap; opening
cave; hollow; cavity; hollow
emptiness; hollowness; vacancy; inanity; pointlessness; meaninglessness
daydream; fantasy; fancy; vision
racing (an engine); idling (an engine); going in circles (esp. argument, discussion, etc.); spinning one's wheels
blank space (in documents); vacuum; blank; void
emptiness is form; illusion of the reality of matter
vacant or unoccupied room
empty gun; gun loaded with blanks; firing a blank
abstract or impracticable theory
vacant and unthinking; something that should be there is not
(Self Defense Force's Air Force) general (defence); lieutenant; major
sky; the skies; high-altitude sky; upper air
hollow; mid-air; air; sky
empty conveyance; empty taxi; free taxi; having spaces available (of a parking lot)
unprecedented; record-breaking
with bare hands; with or from nothing
atmospheric vibration; infrasound (as produced by volcanic activity)
the kalpa of nothingness (the final aeon of the universe)
complete emptiness (i.e. as a denial of the inherent existence of all things); nirvana (where this emptiness is realized); (arch.) quiet and lonely
fictitious; imaginary; fanciful; aerial; overhead
to fly through the air; to hurtle through the air; to strike at something and miss; to fan the air
empty seat; unoccupied seat; vacancy; vacant post
anti-aircraft; antiaircraft
blank column; blank space
mid-air breakage or disintegration
vacant post; vacancy; post in name only
Air Self-Defense Force; ASDF
air pressure; pneumatic pressure
land, sea, and air; army, navy and air force
bad (fictitious) bill; empty promise
noncommissioned officer of the Japanese Air Self Defense Forces (Defence)
form is emptiness; matter is void; all is vanity
senior master sergeant (JASDF)
abstract or impracticable theory
Chinese water spinach (Ipomoea aquatica); ong choy; kang kong; water morning glory; water convolvulus; swamp cabbage
to come to naught; to come to nought
the empty nature of all things
horizon; point where the sky meets the earth
airman first class (JASDF)
the kalpa of nothingness (the final aeon of the universe)
empty name; false reputation
Amoghasiddhi; Infallible Magic (a dhyani-Buddha)
land and air; land and air forces
vast; boundless; wide and empty; vague and hazy
airman third class (JASDF)
groundless rumor or story (rumour)
international airspace; international space
earth, water, fire, wind and void (the five elements)
earth, water, fire, wind and void (the five elements)
fictitious transaction; paper transaction
airman second class (JASDF)
explosion without effect; wasted bullets
information on space availability in a parking lot (car park)
cavity resonator; microwave resonance cavity; rhumbataron
superficial velocity; superficial flow velocity
air writing; spacial calligraphy (artform)
airborne wind power generation; kite power generation
deserted and lonesome; quiet and alone; innocent and nonattached; All is void