improver UK /ɪmˈpɹuːvə/US /ɪmˈpɹuːvɚ/noun 5/ˈɪmpɹɑvɚ/ noun 1forms 1 noun5 •Something that, or someone who, improves something.He introduced and encouraged manufactures of all kinds; and no inventor or improver of any ingenious art did he suffer to go unrewarded. — 1754 •A substance added to cause improvement (especially to a foodstuff).Soy flour is often added to bread as an improver. It helps the dough texture and can make the bread quite soft. — 2016 •One who improves his or her performance, one who shows improvement (of individuals or groups).The hotel can also arrange beginner and improver angling lessons with a local instructor. — 2011 •(historical) A pad worn by women to make the dress hang properly. •(no longer used) Specifically, a person who improves land or property, a landscaper. improver UK /ˈɪmpɹɒvə/US /ˈɪmpɹɑvɚ/ noun1 •One who performs improv; an improviser. formsimprovers