All 4 Uses

ominous
in
Saving the World and Other Extreme Sports
(Auto-generated)

But it had been ominously quiet on the Eraser front.†
Part 1 *
Ooh, ominous music, right?†
Part 1

ominous = threatening (suggestive of, or foreshadowing bad things to come)
We filed between tall metal double doors, which swung shut behind us with an ominous clang.†
Part 3
In the English/mad-scientist dictionary, you can translate "place I prepared" as "dank, ominous dungeon."†
Part 4

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