膨らます ふくらます Meanings Godan verb, Transitive to swell; to expand; to inflate; to bulge Kanji 膨 swell. Read as ふくらむ. Example sentences イースト菌がパン生地を膨らます。Yeast makes dough rise. Related forms 膨らむ (ふくらむ) to expand (intransitive partner) Word lists JLPT N2 Jinuma: Japanese Dictionary · Word lists