"numbest" in the adjective sense
1. asleep, benumbed, numb
"my foot is asleep"
"numb with cold"
2. dead, numb
followed by `to') not showing human feeling or sensitivity unresponsive
"passersby were dead to our plea for help"
"numb to the cries for mercy"
so frightened as to be unable to move stunned or paralyzed with terror petrified
"too numb with fear to move"
Source: WordNet® (An amazing lexical database of English)
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