Japanese word

膨らます

Pronunciation

Romajifukuramasu

このポンプは風船を膨らます道具です。ko no po n pu wa fū sen o fuku ra ma su dō gu de su

This pump is a tool for inflating balloons.

誕生日会の前に、子どもたちが風船を膨らまし、部屋を飾りましょう。tan jō nichi kai no mae ni ko do mo ta chi ga fū sen o fuku ra ma shi heya o kaza ri ma shō

Before the birthday party, let the children inflate the balloons and decorate the room.

It describes making a hollow or flexible thing grow larger by putting air or gas inside it.

空気などを入れて、物をふくらんだ状態にする。kū ki na do o i re te mono o fu ku ra n da jō tai ni su ru

The verb 膨らます (fukuramasu) combines 膨らむ (fukuramu, "to swell") with the causative auxiliary す (su, "to make"), meaning "to make something swell."

In Japanese grammar, 膨らます (fukuramasu) takes the object marker を (o), whereas 膨らむ (fukuramu) describes the object that grows larger.