1. (adj)flow, flowing the motion characteristic of fluids (liquids or gases) Synonyms: current, rate of flow, catamenia, flowing, period, menstruation, menstruum, menses, flow, flow rate, stream Antonyms: rough, unsmooth
2. (adj)streamlined, aerodynamic, flowing, sleek designed or arranged to offer the least resistant to fluid flow Synonyms: slick, silken, aerodynamic, flowing, satiny, silklike, streamlined, sleek, silky Antonyms: rough, unsmooth