OMINOUS

[adjective]Something that is ominous suggests that something unpleasant is likely to happen.The by-election result has ominous implications for the government.The company's disappointing sales figures are an ominous sign of worse things to come.There was an ominous silence when I asked whether my contract was going to be renewed.The engine had been making an ominous sound all the way from London, so I wasn't surprised when the car broke down.