1. [noun] A perceived threat or danger.
2. [noun] The act of threatening.
3. [noun] An annoying and bothersome person.
4. [verb] To make threats against (someone); to intimidate.
5. [verb] To threaten (an evil to be inflicted).
6. [verb] To endanger (someone or something); to imperil or jeopardize.
7. [noun] Something that is a source of danger; 'earthquakes are a constant threat in Japan'.
8. [noun] A threat or the act of threatening; 'he spoke with desperate menace'.
9. [verb] Pose a threat to; present a danger to; 'The pollution is endangering the crops'.
10. [verb] Express a threat either by an utterance or a gesture; 'he menaced the bank manager with a stick'.
11. [verb] Act in a threatening manner; 'A menacing person'.