Meaning ofgreen lightin English

Noun

1. approval to move forward; permission
2. a signal to proceed (traffic)
   Synonyms:

   go signalright of wayclearance
   Antonyms:

   red lightstop signalcaution light
3. an order to commit a violent act
   The boss gave the green light to launch the new product.
   Synonyms:

   go-aheadauthorizationsanctionapprovalconsent
   Antonyms:

   red lightvetorejectionprohibitionrefusal