使(つか)いやすさ

つかいやすさ
noun
ease of use; usability; user-friendliness
evaluation
1. ease of use; usability; user-friendliness
The degree to which a tool, device, or service is easy to use. A standard criterion in product reviews and design discussions, alongside price and performance.
このアプリは使(つか)いやすさが評価(ひょうか)されている。
This app is praised for its ease of use.
値段(ねだん)よりも使(つか)いやすさを重視(じゅうし)して選(えら)んだ。
I chose it valuing usability over price.
機能(きのう)を増(ふ)やしすぎると、かえって使(つか)いやすさが損(そこ)なわれる。
Adding too many features actually harms usability.
高齢者(こうれいしゃ)にとっての使(つか)いやすさを考(かんが)えて、文字(もじ)を大(おお)きくする設計(せっけい)に変更(へんこう)した。
Considering usability for older people, we changed the design to use larger text.

The noun form of 使(つか)いやすい (easy to use), made with the 〜さ suffix that turns adjectives into nouns of degree.

Common collocations

Similar words

  • 使(つか)い勝手(がって): usability in practice — more colloquial, focused on how a thing feels in daily use
  • ユーザビリティ: usability — the loanword, used in design and IT contexts
  • 使(つか)いにくさ: awkwardness to use — the direct opposite

Related Words

Related: 使(つか)いやすい
Compare: 使(つか)い勝手(がって) (usability in practice)
general
Added 2026.8.4 3:23 · Revised 2026.9.29 1:18
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