Synonym: indication, portent, sign, warning. Similar words: moment, foment, momentum, in a moment, momentary, momentous, for the moment, phenomenal. Meaning: ['əʊmen] 
n. a sign of something about to happen. v. indicate by signs.
n. a sign of something about to happen. v. indicate by signs. 
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1 They took the storm as a bad omen.
2 England's victory over France is a good omen for next week's match against Germany.
3 He was netted by an ill omen.
4 The omen of bankruptcy hung over the company.
5 It's a good omen for the future.
6 Could this at last be a good omen for peace?
7 He will regard your presence as an omen of good fortune.
8 The sunny weather was a good omen for the holiday.
9 The unusually heavy rainfall was an ill omen for the travellers.
10 The mist seemed like a bad omen and Sara's heart sank a little.
11 Perhaps an omen of things to come.
12 This was widely thought to be a good omen.
13 That was O.K. Perhaps it was a good omen.
14 The seamen consider these cries a bad omen.
15 A good omen,(www.Sentencedict.com) they thought.
16 This pleased Aunt Tossie; an omen for the evening.
17 It was a bad omen, she said.
18 It seemed to be a good omen.
19 It was an omen, but Margo and Duke plunged in.
20 "Maybe this is a good omen," said Jill, seeing a blue sky for the first time in weeks.
21 Eventually a superstitious caretaker took fright at this omen and killed the bird.
22 The encounter he now saw as an omen, a shadow cast by a coming event.
23 Either case, an omen of these disturbed and troubled times.
24 Crocombe should have taken this as a bad omen, but did not, carrying on to Karachi.
25 The car won't start. Do you think it's an omen?
26 Many people believe that a broken mirror is an omen of bad luck.
27 George thought the car breaking down on the way to his wedding was a bad omen.
28 Kirkgrim A GHOST thought to haunt churches,(Sentencedict.com) where its appearance was an ill omen.
29 The juice landed on the floor like a red bubbly snake, a bad omen suddenly materializing out of thin air.
30 The storm was over and he regarded that as a good omen.
More similar words: moment, foment, momentum, in a moment, momentary, momentous, for the moment, phenomenal, at the moment, at this moment, not to mention, nomenclature, phenomenon, come home, commencement, amendment, first amendment, come, some, income, comet, home, come at, come for, come of, come off, come on, to come, come out, come in.