開ける · ichidan verb
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 開ける | 開けない |
| Polite | 開けます | 開けません |
| Past polite | 開けました | 開けませんでした |
| Past | 開けた | 開けなかった |
| Te-form | 開けて | 開けないで |
| Desire | 開けたい | 開けたくない |
| Potential | 開けられるalso 開けれる | 開けられないalso 開けれない |
| Passive | 開けられる | 開けられない |
| Causative | 開けさせる | 開けさせない |
| Causative passive | 開けさせられる | 開けさせられない |
| Volitional | 開けよう | |
| Polite volitional | 開けましょう | |
| Imperative | 開けろ | 開けるな |
| Conditional | 開ければ | 開けなければ |
| Tara conditional | 開けたら | 開けなかったら |
ichidan verb, intransitive verb
open out; spread out; become clear
Used when a view, scenery, field of vision, or route opens up so that what is ahead becomes wide, visible, or unobstructed.
When we reached the summit, the view suddenly opened up.
After we came out of the forest, the sea spread out before us.
ichidan verb, intransitive verb
improve; look brighter; open up
Used figuratively of luck, prospects, a future path, or a difficult situation beginning to improve.
The business had suffered one failure after another, but his luck has finally begun to turn.
Getting a new job opened up his future prospects.
ichidan verb, intransitive verb
Used of towns, regions, civilizations, knowledge, or ideas developing from a less advanced or less connected state.
After the port was built, this town developed greatly.
As education spread, people's way of thinking gradually became more advanced.
ichidan verb, intransitive verb
be sensible; be understanding; be enlightened
Often appears as 開けた人 or 開けた考え方, meaning open-minded, enlightened, or not bound by narrow old assumptions.
She is an open-minded person who understands new ideas.
My grandfather is elderly, but his way of thinking is very enlightened.
ichidan verb, intransitive verb
open to traffic; become accessible
Used of a new road, railway, or route becoming usable. In modern everyday Japanese, 開通する is often the more explicit choice for official opening to traffic.
It was in the Meiji era that a railway first opened in this region.
ichidan verb, intransitive verb
become built-up; become populous; become bustling
Used of an area becoming more inhabited, built up, commercially active, or lively.
This area has become completely built up, with more shops and apartment buildings.
It used to be nothing but fields, but the area in front of the station has become much more bustling.
When I got to the top of the mountain, my view suddenly opened up.
Getting the qualification made it feel like my future had opened up.
This area has suddenly developed a lot in recent years.
She's an open-minded person in her way of thinking.
A new road opened up access to this village too.