transcription, транскрипция: [ ˌən-im-ˈpē-chə-bəl ]
adjective
Date: 1784
: not impeachable: as
a. : reliable beyond a doubt
unimpeachable evidence
an unimpeachable source
b. : not liable to accusation : irreproachable
an unimpeachable reputation
• un·im·peach·ably -blē adverb