honest-to-goodness adjective 1honest to goodness adverb 1forms 4 adjective[before a noun]1 •Real; genuine.Is the clam chowder made with honest-to-goodness clams? honest to goodness adverb1 •Honest; truly, really; used to emphasize that a statement is true. formsmore honest to goodness · more honest-to-goodness · most honest to goodness · most honest-to-goodness