Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: the act of improving something
"their improvements increased the value of the property";
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