Learn HSK courses HSK 2.0 Current standard HSK 3.0 Coming soon Practice Flashcards & reading Flashcards SRS practice Reading Practice with texts HSK Decks Browse & enroll decks My Decks Manage custom decks Reference Dictionary & hanzi Dictionary Search everything Hanzi Characters & strokes Play Games All Games Pick a game Hanzi Hunter Pinyin typing shooter Tone Trials Train your ear Memory March New or seen before? High Scores Your best runs Progress Stats & rankings Stats Your learning dashboard Achievements Badges & milestones Leaderboards How you rank Reviews What learners say
LearnChinese.ai - Learn Mandarin Chinese Online LearnChinese.ai - Learn Mandarin Chinese Online
LearnChinese.ai - Learn Mandarin Chinese Online LearnChinese.ai - Learn Mandarin Chinese Online
Learn
HSK 2.0 Current standard HSK 3.0 Coming soon
Practice
Flashcards SRS practice Reading Practice with texts HSK Decks Browse & enroll decks My Decks Manage custom decks
Reference
Dictionary Search everything Hanzi Characters & strokes
Play
All Games Pick a game Hanzi Hunter Pinyin typing shooter Tone Trials Train your ear Memory March New or seen before? High Scores Your best runs
Progress
Stats Your learning dashboard Achievements Badges & milestones Leaderboards How you rank Reviews What learners say
Login Sign Up
Back to Dictionary
空
kòng
1. to empty
2. vacant
3. unoccupied
4. space
5. leisure
6. free time
HSK 4 Very Common • Top 1% ✏️ 8 strokes

Character Breakdown (Single character)

空
kōng
hollow, empty, deserted, bare
HSK 3 8 丶

Compound Words (20)

一空
yīkōng
(sold etc) out
上空
shàngkōng
overhead
中空
zhōngkōng
hollow
低空
dīkōng
low altitude
倒空
dàokōng
to empty (a bag)
凌空
língkōng
be high up in the sky
半空
bànkōng
midair
回空
huíkōng
to return empty (i.e. to drive back with no passengers or freight)
填空
tiánkòng
to fill a job vacancy
HSK 4
夜空
yèkōng
night sky
天空
tiānkōng
sky
HSK 5
太空
tàikōng
outer space
HSK 6
平空
píngkōng
variant of [[憑空|凭空<píngkōng>]]
悟空
WùKōng
Sun Wukong, the Monkey King, character with supernatural powers from the novel Journey to the West [[西遊記|西游记<XīYóuJì>]]
凭空
píngkōng
baseless (lie)
悬空
xuánkōng
midair
抽空
chōukòng
to find the time to do sth
抛空
pāokōng
to sell short (i.e. to sell future assets)
挖空
wākōng
to excavate
排空
páikōng
to fly up to the sky

Alternate Entries

空
kōng
empty / air / sky / in vain
HSK 4

Metadata

Category
Chinese
HSK Character Level
3
Character Frequency Rank
271
Word Frequency Rank
634 of 84,292

LearnChinese.ai

Master Mandarin

Site

About Custom Decks Accounts & Social Contact

Editorial

Learning Resources Blog HSK 2.0 vs 3.0

Legal

Privacy Policy Terms of Service

Plans

Plans

© 2026 LearnChinese.ai. All rights reserved.