くう
Meanings
Noun
1. empty air; sky
2. shunyata; emptiness; the lack of an immutable intrinsic nature within any phenomenon
3. air force
Adjective (な)
Noun
4. fruitlessness; meaninglessness
5. void (one of the five elements)
Adjective (の)
Math
6. empty (e.g. set)
Kanji used
empty air
Pitch accent
Top 12700
Used in vocabulary (118 in total)
① 地球の周囲を取り巻く大気のおもに地表近くの部分を占める混合気体。② 1.のうち圧力や浮力などを利用するために用いる小部分。また夾雑物としての気体。③ 雰囲気。気分。④ ある場に居合わせた人々の間に暗黙のうちに形成される議論などの方向性。明示化されない集団的意志。同調圧力。
① 何もない場所。② 物理的な三次元の広がり。また擬似的な三次元の広がり。③ 活動が行われたり情報がやりとりされたりする場。④ 物体が存在し現象が発生する場。古典物理学では3次元ユークリッド空間、特殊相対性理論ではミンコフスキー時空、一般相対性理論では4次元リーマン空間。⑤ 特定の条件を満たす集合。
① 地面から離れている空間。
① 空の高い所。② ある地点の上方の空。
① 広々とした空。
① 時間と空間。
① 書かれているべきところに何も書かれていないこと。また、その部分。② 継続しているものの一部分が欠けていること。
① 現実からかけ離れたことをあれこれ想像すること。
① 中に穴があいて空間があること。また、その空間。② ほらあなのこと。③ 肺結核などにより体内の組織が液化して空間が生じること。
① 中身に何もないこと。② 実質的な内容や価値のないこと。
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
① 気体が全く存在しない状態。
① 空中での作戦・戦闘を目的とした軍隊。
empty seat; unoccupied seat; vacancy; vacant post
① 空気調節の略。② 空気調和の略。
air battle; dogfight
anti-aircraft; antiaircraft
vacant land; unoccupied ground; empty lot
low altitude; low sky
aerial bombing
blank column; blank space
air pirate; air piracy
① 空の高い所。② 澄み切って高く見える空。
① 隙間。間隙。
racing (an engine); idling (an engine); going in circles (esp. argument, discussion, etc.); spinning one's wheels
unprecedented; record-breaking
empty gun; gun loaded with blanks; firing a blank
aerodynamics
empty (e.g. argument); insubstantial; hollow; fruitless
mid-air breakage or disintegration
mastery of the air
vacant post; vacancy; post in name only
vacant or unoccupied room
① 役に立たない議論や理論。
① 航空自衛隊の略。
territorial airspace
air pressure; pneumatic pressure
waste; wastefulness
empty conveyance; empty taxi; free taxi; having spaces available (of a parking lot)
① 陸と海と空。② 陸軍と海軍と空軍。
air pressure (of tires)
to grasp at the air
① 航空自衛隊における階級。空曹長、一等空曹、二等空曹、三等空曹の総称。准空尉の下で空士の上。
bad (fictitious) bill; empty promise
form is emptiness; matter is void; all is vanity
① 嘘。偽り。
vast; boundless; vague
to grasp at the air
emptiness is form; illusion of the reality of matter
with bare hands; with or from nothing
① 朝方のさわやかな空。
air cooling
① 要素がない集合。記号は ∅ で表される。
senior master sergeant (JASDF)
abstract or impracticable theory
major general (JASDF)
dead letter
air pocket; air hole
blank; empty space; gap
to come to naught; to come to nought
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)
the kalpa of nothingness (the final aeon of the universe)
Amoghasiddhi; Infallible Magic (a dhyani-Buddha)
empty; vacant; void
land and air; land and air forces
complete emptiness (i.e. as a denial of the inherent existence of all things); nirvana (where this emptiness is realized); (arch.) quiet and lonely
airman third class (JASDF)
① 根拠のない話。
(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
Chinese water spinach (Ipomoea aquatica); ong choy; kang kong; water morning glory; water convolvulus; swamp cabbage
vacant lot or land
① どの国にも属していない空間。
earth, water, fire, wind and void (the five elements)
earth, water, fire, wind and void (the five elements)
air transportation; air transport
gossip; chatter
airman third class (JASDF)
vast; boundless; wide and empty; vague and hazy
to advance unobstructed
atmospheric vibration; infrasound (as produced by volcanic activity)
vacant and unthinking; something that should be there is not
airman second class (JASDF)
fictitious transaction; paper transaction
null string
airman second class (JASDF)
fictitious transaction; paper transaction
airborne wind power generation; kite power generation
fictitious transaction
explosion without effect; wasted bullets
air writing; spacial calligraphy (artform)
superficial velocity; superficial flow velocity
information on space availability in a parking lot (car park)
empty state; nil state
cavity resonator; microwave resonance cavity; rhumbataron
fictitious stock
deserted and lonesome; quiet and alone; innocent and nonattached; All is void
Examples (1 in total)
The stars are spread all over the night sky.