Adjective untempered has 3 senses
  1. untempered, unhardened - not brought to a proper consistency or hardness; "untempered mortar"; "untempered steel"
    Antonyms: tempered, treated, hardened, toughened, annealed, baked, burned, burnt, curable, sunbaked
  2. untempered - not tempered; "individualism untempered by social responsibilities"
    Antonyms:
    tempered, diluted, toned down, moderated, qualified, tuned
  3. uncontrolled, unrestrained, untempered - extravagant or extreme; "the inhumanity of his untempered principles"- M.S.Dworkin
    Antonym: temperate (indirect, via intemperate)
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