Synonym: alarm, noisemaker, signal, whistle. Similar words: desire, desirable, undesirable, ire, fire, wire, hire, mire. Meaning: ['saɪərən] 
n. 1. a sea nymph (part woman and part bird) supposed to lure sailors to destruction on the rocks where the nymphs lived 2. a woman who is considered to be dangerously seductive 3. a warning signal that is a loud wailing sound 4. an acoustic device producing a loud often wailing sound as a signal or warning 5. eellike aquatic North American salamander with small forelimbs and no hind limbs; have permanent external gills.
n. 1. a sea nymph (part woman and part bird) supposed to lure sailors to destruction on the rocks where the nymphs lived 2. a woman who is considered to be dangerously seductive 3. a warning signal that is a loud wailing sound 4. an acoustic device producing a loud often wailing sound as a signal or warning 5. eellike aquatic North American salamander with small forelimbs and no hind limbs; have permanent external gills. 
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31. Even the author appears undecided as to whether to present herself as blockbusting siren or scrubbed worthy.
32. When you hear a siren, that means a police car, a fire engine, or an ambulance is going somewhere.
33. Suddenly the sharp, heavy squall of the air raid siren lashed the silence between them.
34. At six, he sounds the siren on his way home to supper and usually is a few minutes fast.
35. Mr. Sheerman Is not it time that the Minister ignored some of the siren voices behind her?
36. She listened for the siren that marked their departure, the roar of the engines that meant their journey had truly begun.
37. As the vehicle approaches, the pitch of its siren increases and then it decreases as the vehicle speeds past.
38. As it is, Siren is doing well with advertisers chasing young, upmarket spenders.
39. Then, unable to resist the telephonic siren song, she picked it up.
40. A train whistle or siren has a higher pitch as the train approaches than when it recedes.
41. The bottom line is that General Motors heeded the siren song of management Centralism in the mid-sixties.
42. He could hear the siren, was vaguely conscious of a flickering blue light.
43. This coalition must hold together in the post-war settlement and resist the siren voices calling for a huge re-arming of the region.
44. The toy has flashing lights and a siren noise, but batteries are not included.
45. It was carnival time, lights and siren, and Sorvino's migraine disappeared like a popping soap bubble.
46. But it was the dynamic sexuality of her act that grabbed the headlines and confirmed her arrival as a new musical siren.
47. The screeching was upstaged by a shrieking siren; the signal to start.
48. He was never wrong and, sure enough, when the siren started to wail we learned to dive in with him.
49. As they roared towards the burning building, Bob Wallace hit the siren to let the occupants know help was coming.
50. The parka in reverse from rose pink to a grass green print over a siren gown, by Ungaro. 5.
51. Forty Niners president Carmen Policy called the lure of free agency a siren song.
52. We know only the pain of the also-ran, for ever in the shadow of the siren.
53. A moment later they closed the ambulance door, a siren started up and the traffic warden began waving me on.
54. The vehicles pulled over when they heard the shriek of the police siren.
55. Daniel Boone heard it: the siren song of the open road,[Sentence dictionary] beckoning him to pack up and go.
56. The last time the siren had been let loose was just two months before.
57. Suppose that I believe that there is a police car in the road outside because I can hear a police siren.
58. A motor-cycle cop with his siren on went roaring along the elevated expressway that was level with the surgery window.
59. No siren will be used and the alert will be given by verbal warning arranged by the Police.
60. And not just because the black-and-white car he drives sports a red light and siren.