improver

About 0.08 uses per million words.

Meaning

1. noun Something that, or someone who, improves something.
2. noun Specifically, a person who improves land or property, a landscaper.
3. noun One who improves his or her performance, one who shows improvement (of individuals or groups).
4. noun A substance added to cause improvement (especially to a foodstuff).
5. noun A pad worn by women to make the dress hang properly.
6. noun One who performs improv; an improviser.

Similar words

addition humanitarian do-gooder improvement betterment emprovement amelioration embetterment upgrade emendation

Often followed by

of and is improved in to for will who