usability

noun

1. the degree to which a product, system, website, or piece of software is easy and pleasant to use

   B2

   uncountable

   • "This phone has good usability."A2
   • "The app's usability makes it easy for new users to get started."B1
   • "The team conducted usability testing to identify problems with the website's navigation."B2
   • "Poor usability can make users abandon a product even if it has many features."C1

2. the practice or study of designing and testing products so that they are easy to use

   C1

   uncountabletechnical

   • "She works in usability and design."B2
   • "Usability research informed the redesign of the checkout page."C1
   • "The team applied usability principles throughout the development cycle."C2