icon search input

Definition and meaning of - いけない in Japanese

いけない
ikenai

N4

1.wrong, must not

Adjective

勉強を怠けてはいけないよ。
You shouldn't neglect your studies.
いけない
ikenai

N4

1.not acceptable or inappropriate.

Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)

彼はいたずら好きで、いつも悪戯をしている。
He is mischievous and always playing pranks.
子供たちは悪いことをしてはいけないと教えられる。
Children are taught not to do bad things.
More exampleswarning
2.something that is not acceptable or allowed.

Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)

飲酒運転は絶対にしてはいけません。
You must not drink and drive under any circumstances.
試験中に話すべきではありません。
You should not talk during the exam.
More exampleswarning
3.not meeting expectations or standards.

Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)

その古い携帯電話は役に立たない。
That old cell phone is useless.
彼の提案は全くダメだった。
His proposal was completely no good.
More exampleswarning
4.not acceptable; not allowed.

Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)

彼の病気は絶望的で、治療の見込みはありません。
His illness is hopeless, with no prospect of treatment.
失業率が上昇し、多くの人々が絶望感に苦しんでいます。
With the rising unemployment rate, many people are suffering from a sense of hopelessness.
More exampleswarning
5.something regrettable or not acceptable.

Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)

それは残念なことです。
That is unfortunate.
彼女が来ないのは残念です。
It's a shame she's not coming.
More exampleswarning
6.not allowed or forbidden.

Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)

彼はアルコールを飲むことができない。
He is unable to drink alcohol.
その人は禁酒状態にある。
That person is in a state of abstinence.
More exampleswarning
7.prevent something undesirable from happening.

Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)

雨が降らないように、傘を持って行きます。
I will bring an umbrella so that it doesn't rain.
遅刻しないように、早めに家を出ます。
I will leave home early so that I won't be late.
More exampleswarning

WORD OF THE DAY

はなび

花火

hanabi

definition
いけない
いけない

WORD OF THE DAY

Importance of Understanding Vocabulary in Learning Japanese

When you're learning Japanese, it's really important to understand the meaning of each word. It's a key part of getting to grips with the language and using it effectively. Knowing lots of words helps you speak with confidence and understand what you're reading better. Plus, it's the first step to really getting into the language.

Taking the time to learn vocabulary properly from the beginning is a great way to start learning a new language. As you get better, you'll become more confident reading and understanding things in other languages.