ADJ-GRADED 不祥的;恶兆的;不吉利的 If you describe something as ominous, you mean that it worries you because it makes you think that something unpleasant is going to happen. 不祥的;恶兆的;不吉利的
There was an ominous silence at the other end of the phone.
电话那头出现了不祥的沉默。
The rolls of distant thunder were growing more ominous.