Definitions
1.nounA criminal who is so adept that they cannot be arrested or convicted.
2.nounA pariah.
3.nounIn the Indian caste system, a member of the lowest caste.
4.nounAn incorruptible law enforcement agent.
5.adjectiveNot able to be touched.
6.adjectiveNot able to be defeated or bested."The Minnesota Vikings have been untouchable this year as they've won their sixth consecutive game."