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give the green light

ɡɪv ðə ɡriːn laɪt

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Literally:
to show a green traffic signal

What does "give the green light" mean?

  1. to give permission or approval to proceed
  2. to authorize something

Examples

  • The board gave the green light to the new marketing campaign.
  • We can't start construction until the city gives us the green light.
  • Her doctor gave her the green light to return to sports after the injury.

Origin

From traffic signals, where green means go. The figurative usage dates from the early 20th century, after traffic lights were widely adopted.

How to use it

Very commonly used in business, project management, and everyday conversation. Can be used in passive form: 'The project was given the green light.'

Similar expressions

give the go-ahead
approve
authorize
sanction

Opposites

put the brakes on
give the red light
veto

Related idioms

  • black and white

    clearly defined with no ambiguity

  • silver lining

    a positive aspect of an otherwise bad situation

  • grey area

    a situation or topic that is unclear or not well-defined

  • black sheep

    a member of a group who is considered different or disreputable

  • golden opportunity

    an excellent or ideal chance that may not come again

  • white lie

    a harmless or small lie told to avoid hurting someone's feelings

Use it in a practice answer

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