These two grammar patterns turn verbs into adjectives that describe how easy or difficult something is to do. They are extremely useful for expressing opinions about actions, objects, or situations.
How to modify verbs with 〜やすい and 〜にくい
Take the verb stem (ます-form without ます).
For ‘easy to’ add やすい
Example: 使う (使い) 使いやすい (easy to use)
For ‘hard to’ add にくい
Example: 見る (見) 見にくい (hard to see, hard to look at)
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Verbs Using 〜やすい・〜にくい
The table below presents some verbs commonly used with 〜やすい・〜にくい and shows how to form the structures in each case.
| Verb | Verb Stem | 〜やすい | 〜にくい | English |
|---|---|---|---|---|
| 食べる (たべる) | 食べ | 食べやすい | 食べにくい | eat |
| 読む (よむ) | 読み | 読みやすい | 読みにくい | read |
| 使う (つかう) | 使い | 使いやすい | 使いにくい | use |
| 書く (かく) | 書き | 書きやすい | 書きにくい | write |
| 話す (はなす) | 話し | 話やすい | 話にくい | speak |
| 切る (きる) | 切 (きり) | 切やすい | 切にくい | cut |
| 見る (みる) | 見 (み) | 見やすい | 見にくい | see |
| 覚える (おぼえる) | 覚え | 覚えやすい | 覚えにくい | remember |
| 忘れる (わすれる) | 忘れ | 忘れやすい | 忘れにくい | forget |
| 登る (のぼる) | 登り | 登りやすい | 登りにくい | climb |
| する | し | しやすい | しにくい | do |
| 来る (きる) | 来 | 来やすい | 来にくい | come (arrive) |
Notes on Formation
Works with most Group 1 (う-verbs) and Group 2 (る-verbs).
There are two common irregular verbs:
する → しやすい / しにくい
来る → 来やすい / 来にくい (rare)
Notes on Usage
〜やすいThe action is naturally or inherently easy. Often implies the thing/person makes the action pleasant or effortless.
〜にくい: The action is naturally or inherently difficult. Often implies the thing/person makes the action frustrating or awkward.
These are objective-ish descriptions (not purely subjective feelings like たい). You can use them to describe books, tools, people, food, etc.
Example Sentences with ~やすい and 〜にくい
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このスマホは使いやすいです。
This smartphone is easy to use.(tsukaiyasui)
この本は読みやすいですね。
This book is easy to read. (yomiyasui)
彼の説明はとても分かりやすいです。(wakariyasui)
His explanations are very easy to understand.
この靴は歩きやすいです。
These shoes are comfortable/easy to walk in. (arukiyasui)
このナイフは切りやすいです。
This knife cuts easily. (kiriyasui)
この部屋は掃除しにくいです。
This room is hard to clean. (sōjishishinikui)
古いパソコンは使いにくいです。
Old computers are hard to use. (tsukainikui)
細かい文字は読みにくいです。
Small text is hard to read. (yominikui)
この服は洗濯しにくいです。
These clothes are hard to wash. (sentakushinikui)
彼の話は分かりにくいです。
His stories are hard to understand. (wakarinikui)
Other Vocabulary in this Lesson
| 漢字・カタカナ | ひらがな | English | Word Type 日本語 |
|---|---|---|---|
| 本 | ほん | book | 名詞 |
| 説明 | せつめい | explanation | 名詞 |
| 靴 | くつ | shoe(s) | 名詞 |
| 部屋 | へや | room | 名詞 |
| 掃除 | そうじ | cleaning | 名詞 |
| 古い | ふるい | old | 形容詞 |
| 歩く | あるく | walk | 動詞 |
| 細かい | こまかい | detailed | 形容詞 |
| 文字 | もじ | written letter | 名詞 |
| 服 | ふく | clothing | 名詞 |
| 洗濯 | せんたく | cleaning | 名詞 |
| 彼 | かれ | he/her | 名詞 |
| 話 | はなし | story, speech | 名詞 |
| パソコン | ー | computer | 名詞 |
| スマホ | ー | smart phone | 名詞 |
Other Grammar in this Lesson
| Grammar Point | Explanation |
|---|---|
| 〜です | 'Be' verb in Japanese sentences. |
| 〜は〜 | Subject market in Japanese sentences. |

