吮吸 shǔnxī to suck Definitions Defs Origin Strokes Stroke Words Sentences Sents shǔnxī to suck 吮 shǔn verb to suck (bound form) to suck; to draw into the mouth by inhaling吸 xī verb to inhale To breathe in or suck in gases or liquids through the mouth or nose; the opposite of 呼 hū.shǔnxī to exploit 吮 shǔn verb to suck (bound form) to suck; to draw into the mouth by inhaling吸 xī verb to absorb To take in or soak up substances, nutrients, or information from the outside.