Immitigable

• (a.) Not capable of being mitigated, softened, or appeased.
Found on http://thinkexist.com/dictionary/meaning/immitigable/

Immitigable

Im·mit'i·ga·ble adjective [ Latin immitigabilis ; from prefix im- not + mitigare to mitigate.] Not capable of being mitigated, softened, or appeased. Coleridge.
Found on http://www.encyclo.co.uk/webster/I/14
No exact match found