使(つか)(がって)

つかいがって
noun
ease of use; usability; user-friendliness
1. ease of use; usability; handiness
How easy or convenient something is to use. Refers to the practical experience of using a tool, product, or system. Can be either positive or negative.
このアプリは使(つか)勝手(がって)がいい。
This app is user-friendly.
デザインはいいが、使(つか)勝手(がって)(わる)い。
The design is nice, but it's not easy to use.
使(つか)勝手(がって)重視(じゅうし)して設計(せっけい)された台所(だいどころ)は、毎日(まいにち)料理(りょうり)(らく)になる。
A kitchen designed with usability in mind makes daily cooking easier.

A compound of 使(つか)い (using, from 使(つか)う) and 勝手(かって) (convenience, one's own way). The 勝手(かって) becomes がって due to rendaku (sequential voicing).

Almost always used with がいい (easy to use) or が(わる)い (hard to use). A practical, everyday word for evaluating products, tools, and interfaces.

SIMILAR WORDS:

  • 操作性(そうさせい) is more technical (operability)
  • 利便性(りべんせい) is more formal (convenience)
  • 使(つか)いやすさ is a simpler way to say 'ease of use'

COMMON COLLOCATIONS:

  • 使(つか)勝手(がって)がいい (easy to use)
  • 使(つか)勝手(がって)(わる)い (hard to use)
  • 使(つか)勝手(がって)改善(かいぜん)する (to improve usability)
  • 使(つか)勝手(がって)のいい道具(どうぐ) (a handy tool)