Untempered
Part of speech: adjective
Definition: Not tempered; not conditioned by a process. In the case of a person, inexperienced; untested.
Unhardened
Part of speech: adjective
Definition: Not hardened; still soft.
Untempered as an adjective is not tempered; not conditioned by a process. while Unhardened as an adjective is not hardened; still soft.
Part of speech: adjective
Definition: Not tempered; not conditioned by a process. In the case of a person, inexperienced; untested.
Part of speech: adjective
Definition: Not hardened; still soft.
We hope you now know whether to use Untempered or Unhardened in your sentence.