master-key (noun) master key: key opening all locks of a place
Sinonime: all-embracing, all-encompassing, all-out, catholic,
comprehensive, embracive, encyclopedic,
extensive, far-reaching, from A to Z,
full, full-blown, full-dress, full-scale,
in-depth,
intensive, no stone unturned, out-and-out,
profound,
radical, sweeping, the word,
thorough, thoroughgoing,
total, whole-hog
Antonime: excluding,
incomplete, unfinished