The usability of the new app improved significantly after the redesign.

During the study, participants rated the usabilities of each prototype using a standardized checklist.

The app's usableness improved dramatically after the redesign, leading to higher user satisfaction.

She wrote the tutorial usably so beginners could follow each step.

The old laptop is barely usable for basic browsing.

During the contest, the ham operator checked the maximum usable frequency before transmitting to ensure his signal would reach across the ocean.