空 — Sky
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Start 7-Day Free Trial →Visually Similar Lookalike Kanji
Learners often mix up 空 (Sky) with these lookalike characters. Tap a tile to see how their visual mnemonics differ:
Common Japanese Words with 空 (Sky)
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Sky (空) expressed as a noun.
The air (気) up in the sky (空) is the atmosphere.
The sky (空) is vast and open, so this means to become empty/to open.
Like the wide open sky (空), this means having room/time to spare.
Frequently Asked Questions About 空 (Sky)
What is the best kanji mnemonic for 空 (Sky)?
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The Shibashi Japanese kanji mnemonic for 空 ("Sky", read as くう) is: When the Wright brothers finally soared (そら) above (あ) in the sky, they must have felt super (す) cool (くう). Using visual kanji mnemonics that combine the character's radicals, meaning, and reading into a single illustrated scene makes 空 effortless to recall.
What does the kanji 空 mean and how is it read in Japanese?
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The Japanese kanji 空 means "Sky". Its primary reading is くう (On'yomi: くう; Kun'yomi: そら, あ, す). Our Japanese kanji mnemonics tie the reading directly into the visual story so you remember both the meaning and pronunciation together.
What are common Japanese words and compounds with 空?
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Essential Japanese vocabulary words containing 空 include: 空 (そら - sky), 空気 (くうき - air, atmosphere), 空く (あく - to open, to become empty), 空き (あき - room, time to spare, emptiness).
How do Japanese kanji mnemonics help you remember 空 (Sky) faster?
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Traditional rote stroke repetition fades quickly. Shibashi's Japanese kanji mnemonics turn 空 (Sky) and its shared visual radical family into memorable characters and objects, paired with smart Spaced Repetition (SRS) and native audio so the memory sticks permanently.