Words similar to omen--of

Example sentences for: omen--of

How can you use “omen--of” in a sentence? Here are some example sentences to help you improve your vocabulary:

A long article speculates about how ancient Egyptians, Chinese, and Sumerians greeted the comet on its last visit in 2213 B.C. (It was undoubtedly an important omen--of what, no one knows.)