[ ak-ter-proof ]
/ ˈæk tərˌpruf /
(of a role or script) effective even if poorly acted.
The Forgotten Verses Of “The Star-Spangled Banner”While the first verse of "The Star-Spangled Banner" is widely known by the American public, the last three verses are generally omitted in performances.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019