See more synonyms for go-ahead on Thesaurus.com
  1. permission or a signal to proceed: They got the go-ahead on the construction work.
  2. Chiefly Hawaii and California. a sandal held on the foot by a strap between the big toe and the next toe.
  1. moving forward; advancing.
  2. enterprising: a go-ahead Yankee peddler.

Origin of go-ahead

1830–40, Americanism; noun, adj. use of verb phrase go ahead
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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