空く|すくsuku[0]heiban (flat)
This browser can't play pronunciations (needs Safari 18.4 or later, or Chrome / Edge / Firefox).
- godan verb, intransitive verbto become less crowded; to thin out; to get empty
- godan verb, intransitive verbto be hungry
Conjugation
| Dictionary form | 空く(すく) |
|---|---|
| Polite (masu) | 空きます(すきます) |
| Negative (nai) | 空かない(すかない) |
| polite (masen) | 空きません(すきません) |
| classical zu / nu | 空かず・空かぬ(すかず・すかぬ) |
| Past (ta) | 空いた(すいた) |
| polite (mashita) | 空きました(すきました) |
| Past negative (nakatta) | 空かなかった(すかなかった) |
| polite (masen deshita) | 空きませんでした(すきませんでした) |
| Te form | 空いて(すいて) |
| Potential | 空ける(すける) |
| Passive | 空かれる(すかれる) |
| Causative | 空かせる(すかせる) |
| Causative passive | 空かせられる・空かされる(すかせられる・すかされる) |
| Conditional (ba) | 空けば(すけば) |
| tara | 空いたら(すいたら) |
| Volitional | 空こう(すこう) |
| polite (mashou) | 空きましょう(すきましょう) |
| Imperative | 空け(すけ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
- SynonymガラガラCasualColloquial mimetic word for a place that is deserted with hardly anyone there, as in 「電車がガラガラ」; even emptier than 「空く」.
- Synonymがら空きがらあきCasualColloquial term for seats or a venue being almost entirely empty, as in 「がら空きの客席」; can also describe a weak, unguarded defense.
- Related空っぽからっぽCasualColloquial word for something with nothing inside, as in 「冷蔵庫が空っぽ」; stresses being completely empty, while 「空く」 stresses a place becoming less crowded.
- RelatedすっからかんCasualColloquial for having nothing left or being flat broke, as in 「財布がすっからかん」; stresses that everything is completely gone.
- Related空になるからになるNeutralSays the contents of a container are gone, as in 「瓶が空になる」; stresses that what was inside has been used up.
- Antonym混むこむNeutralThe direct opposite of 「空く」: a place is crowded with people, as in 「電車が混む」.
- AntonymふさがるNeutralThe opposite of 「空く」: something is filled up, occupied or blocked, as in 「席が塞がる」.
Use 「空く」 by default for a place becoming less crowded. For a place looking deserted pick 「ガラガラ」 or 「がら空き」; for something with nothing inside 「空っぽ」; for contents used up 「空になる」. Crowded is 「混む」, occupied or blocked 「塞がる」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


