air; atmosphere; mood; situation; someone with no presence; someone who doesn't stand out at all
sky; the skies; high-altitude sky; upper air
sky; air; ether; firmament; the heavens
blank space (in documents); vacuum; blank; void
daydream; fantasy; fancy; vision
empty air; sky; shunyata; emptiness; air force; fruitlessness; meaninglessness
cave; hollow; cavity; hollow
to read the situation; to sense the mood
emptiness; hollowness; vacancy; inanity; pointlessness; meaninglessness
fictitious; imaginary; fanciful; aerial; overhead
hollow; mid-air; air; sky
to fly through the air; to hurtle through the air; to strike at something and miss; to fan the air
unusual space; other dimension
outer space; void of space
empty seat; unoccupied seat; vacancy; vacant post
underground space; subterranean space; subterranea
gliding (through the air)
virtual space (e.g. in computer graphics)
anti-aircraft; antiaircraft
vacant land; unoccupied ground; empty lot
atmosphere (esp. of a place or person); mood; vibe; ambience
staying in the air; remaining airborne
air battle; dog fight; aerial battle
blank column; blank space
feeling of emptiness in the stomach; sensation of hunger
vacant space; aperture; gap; opening
low-altitude flying; having consistently poor results (grades, sales, etc.); barely scraping by; being on the verge of failing
racing (an engine); idling (an engine); going in circles (esp. argument, discussion, etc.); spinning one's wheels
armchair theory; impracticable theory
unable to read the situation; unable to pick up on the mood (e.g. of a conversation)
unprecedented; record-breaking
empty gun; gun loaded with blanks; firing a blank
being empty-handed; being penniless; having no capital (for starting a business)
unable to read the situation; unable to pick up on the mood of a conversation
air route; air lane; by air; by plane
hanging garden; hanging gardens
control of the air; air supremacy
air-raid shelter; bomb shelter
(so marvelous or horrible that it may be) the first and probably the last
empty (e.g. argument); insubstantial; hollow; fruitless
Minister of Works (Zhou-dynasty China)
air transport; air lift; airlift
mid-air breakage or disintegration
anti-aircraft gun; antiaircraft artillery
Japan Air Self-Defense Force; JASDF
vacant post; vacancy; post in name only
imaginary; fantastical; visionary; utopian; quixotic; fanciful
vacant or unoccupied room
abstract or impracticable theory
Air Self-Defense Force; ASDF
levitation; floating on air; airborne (e.g. bacteria); aero-
airline ticket; plane ticket; air ticket
air pressure; pneumatic pressure
empty conveyance; empty taxi; free taxi; having spaces available (of a parking lot)
land, sea, and air; army, navy and air force
phase space; topological space
surface-to-air missile; SAM
feeling of emptiness; sense of void
blank period; window period; interregnum
noncommissioned officer of the Japanese Air Self Defense Forces (Defence)
bad (fictitious) bill; empty promise
vacuum pack; vacuum packing
form is emptiness; matter is void; all is vanity
airspace incursion; airspace violation
stroll in the air (e.g. leisurely helicopter, airplane ride)
dreamer; daydreamer; visionary
Akasagarbha (bodhisattva); the Receptacle of Void
air chair; wall sit; exercise mimicking sitting in a chair; chain of people sitting on each other's laps
making hollow; making meaningless; deindustrialization; deindustrialisation
space perception; spatial perception; spatial awareness
airmail; air mail; air service; air transport (of goods)
emptiness is form; illusion of the reality of matter
nuclear-powered aircraft carrier
with bare hands; with or from nothing
flight dynamics; aerodynamics; aeromechanics
unprecedented in history; unheard-of; epoch-making
treating (someone) like they are air; ignoring (someone)
space manipulation (e.g. supernatural ability)
(Self Defense Force's Air Force) captain (defence); lieutenant
escort carrier; jeep carrier
spatial awareness; spatial perception
unmanned aerial vehicle (UAV); drone
Great Tokyo Air Raid (March 10, 1945)
Akasagarbha (bodhisattva)
anti-aircraft fire; shooting at an aircraft (from ground or ship)
fox with supernatural powers
aerial show; air show; airshow
air flotilla; air fleet; combat aviation unit of the Imperial Japanese Navy
air defense identification zone; ADIZ
position space (quantum mechanics); real space
air route; airway; air lane; air corridor
Amoghapasa (manifestation of Kannon)
idle time; down time; window period
senior master sergeant (JASDF)
air transportation; air transport; transport by air
aerial refueling; in-flight refueling
abstract or impracticable theory
surface-to-air missile; SAM
carrier strike group; CSG
air-to-surface missile; ASM
air sac; bladder; air bag; windbag; type of inflatable air mattress
false invoice; false billing
air tanker; aerial tanker; airborne refuelling craft
Civil Aeronautics Law; Aviation Law
lonely or uninhabited valley
(Self Defense Force's Air Force) colonel (defence); lieutenant; major
impractical or useless theory
air conditioning unit; AC unit; air conditioner
aircraft warning lights; airplane warning lights; obstacle light; obstruction light
aeronautical radio; aircraft radio
to come to naught; to come to nought
atmospheric vibration; infrasound (as produced by volcanic activity)
the empty nature of all things
airman first class (JASDF)
horizon; point where the sky meets the earth
empty name; false reputation
the kalpa of nothingness (the final aeon of the universe)
Amoghasiddhi; Infallible Magic (a dhyani-Buddha)
the open sky and the serene sea; as open as the sky and serene as the sea; magnanimous
land and air; land and air forces
loss of equilibrium; vertigo
ultra-high vacuum; UHV; extremely high vacuum; XHV
science fiction; sci-fi; fantasy fiction
blank ammunition; blank cartridge
complete emptiness (i.e. as a denial of the inherent existence of all things); nirvana (where this emptiness is realized); (arch.) quiet and lonely
spatial art; space art; plastic arts; formative arts
fictitious transaction; bogus transaction
tube amplifier; valve amplifier
chunky mochi made with half-polished rice, stuffed with red bean paste
airman third class (JASDF)
airport site; adjacent to airport
vast; boundless; wide and empty; vague and hazy
barehanded; having no wealth or position to rely on (aside from one's own resourcefulness) (when embarking on something)
groundless rumor or story (rumour)
vacuum vessel; vacuum chamber
low-cost carrier; LCC; low-cost airline
(Self Defense Force's Air Force) general (defence); lieutenant; major
Chinese water spinach (Ipomoea aquatica); ong choy; kang kong; water morning glory; water convolvulus; swamp cabbage
air transportation; air transport; transport by air
stand-by (on an airplane)
international airspace; international space
submarine aircraft carrier
round trip (airplane) ticket
lonely, spouseless bedroom; bedroom of a neglected spouse
Great Interregnum (gap between Hohenstaufen and Habsburg rule of the Holy Roman Empire, approx. 1254-1273 CE)
air brake; speedbrake; aerobraking; aerobrake
perfect vacuum; absolute vacuum
earth, water, fire, wind and void (the five elements)
fraud based on demanding payment for false claims or non-existent bills
air transportation; air transport
matter is void; all is vanity
visual space; visuospatial
respirator; breathing apparatus
air freight; airborne cargo
vacuolation; vacuolization
air traffic control tower
vacant and unthinking; something that should be there is not
National Aerospace Laboratory; NAL
airman second class (JASDF)
atmospheric oxidation; oxidation upon exposure to the air; air oxidation; smoothering
impractical desktop theory (proposition); unworkable idea; an idea that isn't worth the paper it's written on
fictitious transaction; paper transaction
stalled session of the Diet (Japanese Parliament)
Kumuhensho; lowest heaven of Mushikikai; realm of non-form
technical sergeant (JASDF)
fear of having blank days (e.g. freelancer unable to find work); fear of not having anything planned
pneumatic drill; air drill
mixture of air and hydrocarbon gas or vapour
air suspension; air spring
pedestrian zone; pedestrian space
unable to read the situation; unable to pick up on the mood of a conversation
colour space; color space
spatio-temporal information science; time-space information science
space or area for water-lovers
air conditioning unit; AC unit; air conditioner
momentum space (quantum mechanics)
display space; operating space
airborne wind power generation; kite power generation
air dose (esp. radioactivity)
Japanese war tuba; pre-radar acoustic locator used by the Imperial Japanese Army
multiple virtual address space
air dose rate (esp. radioactivity)
vacuum cooking; sous vide
AATC; Automatic Air Traffic Control
tactical air control center (centre)
trapeze artist; aerial artist
explosion without effect; wasted bullets
battlefield air interdiction
air writing; spacial calligraphy (artform)
superficial velocity; superficial flow velocity
information on space availability in a parking lot (car park)
conventional aircraft carrier (i.e. non-nuclear)
vactrain; vacuum tube train
theoretical air fuel ratio
airplane mode; aeroplane mode
Federal Aviation Administration; FAA
truth of emptiness (holding that all things are void)
cavity resonator; microwave resonance cavity; rhumbataron
tactical air control party
vacuole (esp. in an animal cell)
elevated railway; overhead railway
Kukai (name of a Buddhist priest)
air defense artillery; air defence artillery
one-way airline ticket; one-way plane ticket
aviation insurance; aerial insurance
military police brigade (air force)
depletion layer (of transistor)
man-portable air-defense system; MANPADS
Federal Aviation Administration; FAA
airport-imposed taxes; airport tax
National Aeronautics and Space Administration; NASA
deserted and lonesome; quiet and alone; innocent and nonattached; All is void