pale1
noun
□ beyond the pale
his behaviour was beyond the pale:
unacceptable, unseemly, improper, indiscreet, unsuitable, irregular, unreasonable, intolerable, disgraceful, deplorable, outrageous, scandalous, shocking, insupportable, objectionable, offensive, distasteful;
informal not on, not the done thing, out of order, out of line;
dated not quite the thing;
Australian, New Zealand, informal over the fence;
rare exceptionable.
pale (2) Oxford Dictionary of English