1. 
   threaten
   [v] - to be a menacing indication of something:`The clouds threaten rain` 2. [v] - to utter intentions of injury or punishment against:`He threatened me when I tried to call the police`
   Found op http://www.webdictionary.co.uk/definition.php?query=threaten
   
   
2. 
   Threaten
   Threat'en transitive verb [ imperfect & past participle Threatened ; present participle & verbal noun Threatening .] [ Middle English þretenen . See Threat ,
   Found op http://www.encyclo.co.uk/webster/T/49
   
   
3. 
   Threaten
   Threat'en intransitive verb To use threats, or menaces; also, to have a threatening appearance. « Though the seas threaten , they are merciful.» Shak.
   Found op http://www.encyclo.co.uk/webster/T/49
   
   
4. 
   Threaten
   • (v. t.) To exhibit the appearance of (something evil or unpleasant) as approaching; to indicate as impending; to announce the conditional infliction of; as, to threaten war; to threaten death. • (v. t.) To utter threats against; to menace; to inspire with apprehension; to alarm, or attem...
   Found op http://thinkexist.com/dictionary/meaning/threaten/
   
   
5. 
   threaten
   1) Be 2) Be imminent 3) Bully 4) Coerce 5) Daunt 6) Endanger 7) Exist 8) Frighten 9) Imperil 10) Jeopardise 11) Jeopardize 12) Loom 13) Menace 14) Overawe 15) Peril 16) Promise punishment,...
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/threaten/1
   
   

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