BSL Sign Language Dictionary

Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.

Android app on Google Play
NEW View all these signs in the Sign BSL Android App. Download for free.


How to sign: the act of improving something
"their improvements increased the value of the property";

improvement in BSL Watch how to sign improvement in British Sign Language
Embed this video

Categories: change of state

Within this category: tenderization, development, cleaning, correction, optimization, perfection, reform, amelioration, self-improvement, clearing, enrichment, humanization, modernization, renovation, enhancement, upturn, ventilation, repair, stabilization, upgrade

Sign not right? Or know a different sign?

Upload your sign now.