unchallenged

adjective

1. a euphemism for disabled (usually preceded by an adverb): physically challenged.
2. deficient or lacking (usually preceded by an adverb or noun and used facetiously): ethically challenged; math-challenged.

adjective

1. not having been challenged or questionedthirty years of unchallenged power

adjective

1. (in combination) disabled or disadvantaged in some wayphysically challenged performers

adj.as a euphemism for “disabled,” 1985, past participle adjective from challenge (v.).