splashsplashsplashes2noun (pluralsplashes)1the sound that a person or thing makes when they fall into water: Tom jumped into the river with a big splash.2a small amount of liquid: There were splashes of paint on the floor.splashsplashsplashessplashedsplashing1verb (splashes, splashing, splashed)to throw drops of liquid over somebody or something; to make this happen: The car splashed us as it drove past.The children were splashing around in the pool.