inflow noun 3verb 1forms 3 noun3 •The act or process of flowing in or into. •Anything which flows in or into.The inflow of air. •(figurative) Influence from outside.But there is also "top down causality" in which the entire system, as a whole, is affected by the inflow or influence of pattern formation, or "information." — 2000 verb1 •To flow in. formsinflowed · inflowing · inflows