permission or a signal to proceed

They got the go-ahead on the construction work.

Chiefly Hawaii and California . a sandal held on the foot by a strap between the big toe and the next toe.

moving forward; advancing.

enterprising

a go-ahead Yankee peddler.

verb

cease , discontinue , finish , halt , stop

verb

advance , begin , continue , dash ahead , edge forward , go forward , go on , move on , progress , shoot ahead