Definition of siren in English:


Syllabification: si·ren
Pronunciation: /ˈsīrən


1A device that makes a loud prolonged sound as a signal or warning: ambulance sirens
More example sentences
  • The piercing alarms of air raid sirens were signalling an attack.
  • The nation came to a standstill in a two-minute silence at 10.00 am, signalled by deafening air-raid sirens and traffic grinding to a halt.
  • Just then, she heard the loud blaring sound of an ambulance siren as it screamed by her vehicle, hurrying up the road in the one empty lane that had been sectioned off by orange cones.
alarm, warning bell, danger signal;
archaic tocsin
2 Greek Mythology Each of a number of women or winged creatures whose singing lured unwary sailors onto rocks.
More example sentences
  • There was an altogether more subtle look at his show which drew on Homer and Plato's tales of sirens singing unsuspecting sailors to their deaths.
  • There was also a balcony that overlooked the ocean, where he swore that the sounds of the waves were truly mythical sirens singing him to sleep.
  • He's smart enough to avoid things like singing sirens.
2.1A woman who is considered to be alluring or fascinating but also dangerous in some way.
More example sentences
  • They've got the glossy good looks and fleeting A-list appeal to grab a famous Liam, but want to be more than lucky pop princesses turned tacky tabloid sirens.
  • It's as if she can't make up her mind whether she wants to be a siren, a vamp or a frump.
  • She is the movie's sexpot, a siren that irresistibly attracts men.
flirt, coquette
informal man-eater, home wrecker, vamp
3An eel-like American amphibian with tiny forelimbs, no hind limbs, small eyes, and external gills, typically living in muddy pools.
  • Family Sirenidae: genera Siren and Pseudobranchus, and three species, including the greater siren (S. lacertina)
More example sentences
  • Adults sirens are aquatic and neotenic, with lengths ranging from 4-36 inches.
  • Sirens are probably the most ancient line of salamanders now alive on planet earth.
  • I presented a captive Siren with a small crayfish once.


Middle English (denoting an imaginary type of snake): from Old French sirene, from late Latin Sirena, feminine of Latin Siren, from Greek Seirēn.

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Pronunciation: ˈdīktik
denoting a word whose meaning depends on context...