unhardened
un·har·de·ned
adjective
1.
not brought to a proper consistency or hardness
- “untempered mortar”
- “untempered steel”
Origin
From un- + hardened.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.