go-ahead

go-ahead (plural go-aheads)

1. Approval, agreement, or instruction to begin or proceed.

   You can start as soon as you get the go-ahead from the president.

go-ahead (comparative more go-ahead, superlative most go-ahead)

1. (comparable) Progressive; exerting leadership.

   I work for a very go-ahead company that's always looking for new ideas.

   • 1906, Arthur Lincoln Haydon, The Book of the V. C., page 150:

     This turbulent ruler was a very go-ahead monarch indeed. He organised a splendid army, well-drilled and well-equipped with modern arms

2. (comparable) Dashing; energetic.
3. (sports, not comparable) Being a score which gives the scoring team or player the lead in the game.

   The pitcher gave up the go-ahead run in the top of the ninth inning.

• (sports score): game-winning

• (sports score): game-tying