[1] : The Collaborative International Dictionary of English v.0.48

untempered \untempered\
   see tempered.
see also:
tempered 

[2] : WordNet (r) 2.0

untempered
     adj 1: not brought to a proper consistency or hardness; "untempered
            mortar"; "untempered steel" syn: unhardened ant:
            tempered
     2: not tempered; "individualism untempered by social
        responsibilities" ant: tempered
     3: extravagant or extreme; "the inhumanity of his untempered
        principles"- m.s.dworkin syn: uncontrolled, unrestrained
see also:
unhardened tempered uncontrolled unrestrained 

Untempered >> U Words
Untempered, definition of term: Untempered
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