Unglad tidings might well be yours, or to put it another way: Duck.
FORBES: Let's Have Ourselves A Very "Donnie Brasco" Christmas
unglad:
un- +? glad
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。