使つかいやすい

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Meanings

1

i-adjective

easy to use; user-friendly

Describes tools, software, appliances, or anything designed for convenient operation.

使つかいやすい
Standard kanji-kana spelling.
使つかい易やすい
Rare variant using 易い; やすい is usually written in kana for this meaning.

便べん利り
便利 means 'convenient' in a general sense, while 使いやすい specifically refers to ease of use or handling.
分わかりやすい
分かりやすい means 'easy to understand', whereas 使いやすい is about ease of physical or functional use.

Compound of 使い (the continuative form of 使う 'to use') + やすい ('easy to do').