The adjective にくい (nikui
) means difficult
, hard
.
It is an い adjective and in this post we'll see its use combined with the verb base used to create the polite form ます.
The meaning it takes on is difficult to do
, hard to do
.
In this post we learn more about the meaning of にくい, how it is formed and when にくい is used through real example sentences.
How and when to use にくい
The structure we will go through in this post is formed by:
- the Verb Base
- and by the adjective にくい.
It expresses something that is difficult to do
, hard to do
.
The antonym expression has the same structure, but uses the adjective やすい and is translated easy to do
.
この機械は使いにくい。
This machine is difficult to use.
How にくい is formed
にくい is generally transcribed in hiragana, but it has its own kanji and is 難い one of the kun readings along with 難しい difficult
, hard
.
In this post, we see the use of にくい with the verb base used in the polite form in ます.
The Ichidan Verbs have an unique base obtained removing the kana る.
For the Godan verbs we use the base B2 ending with the kana in い in the syllabic series かきくけこ.
Ichidan verb: 食べる eat
食べ難いフルーツ
Inedible fruit
Hard-to-eat fruit ⇨ inedible or unpalatable
Godan verb: 言う say
言いにくい言葉
Words that are difficult to say
Words hard to say
The previous examples use にくい in its attributive function and are joined with the noun.
In the predicative function the expression is put after the noun it modifies, at the end of the sentence.
この箸はちょっと使いにくい。
These chopsticks are a bit difficult to use.
この質問は答えにくい。
It is difficult to answer this question.
Polite form にくいです
The polite form is obtained by adding the copula です to the adjective にくい.
家の窓は古くて開けにくいです。
The windows in the house are old and difficult to open.
この漢字は画数が多くて、覚えにくいです。
This kanji has many strokes and is difficult to remember.
にくい and がたい: differences
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Support us to unlockExamples of にくい
私は昔から太りにくい体質だ。
I have always had a body constitution that prevents me from gaining weight.
燃えにくい建材です。
It's a fire-resistant building material.
この靴は歩きにくい。
These shoes are difficult to walk in.
From a blog about health and wellness:

吸収されやすい鉄と吸収されにくい鉄。
Iron easy to absorb and iron that is difficult to absorb.
In this post we find the Passive Form of the Verb: する becomes される
- 吸収する
absorb
- 吸収される
be absorbed