スイスイ LinksSentence search for スイスイSentence search for すいすいEdit in JMdict Adverb (fukushi), Adverb taking the 'to' particle1. lightly and smoothly (of movements); swiftly; glidinglyOnomatopoeic or mimetic wordAdverb (fukushi), Adverb taking the 'to' particle2. (progressing) smoothly; (solving) easilyOnomatopoeic or mimetic wordOther formsすいすい Discussions Log in to talk about this word.