ebb and flow noun 2verb 3forms 3 noun2 •The flowing out and in of the tide. •(figurative) A large flowing out and in, or any waxing and waning of fortunes or activity.October 29 2001, The New Yorker Online I want to hear the roaring ebb and flow of Broadway. verb3 •To alternately ebb and flow. •To recede and advance.As true we are as flesh and blood can be: / The sea will ebb and flow, heaven show his face — 1595 •(figurative) To wax and wane.The quality of his service game varied as the contest ebbed and flowed, but landing 54% of his first serves over the whole match was a telling statistic. — 2025 formsebbed and flowed · ebbing and flowing · ebbs and flows