to be bulky; to be unwieldy; to grow voluminous
Example sentences
箱のまま持ってくると嵩張るから、袋に入れ替えて持ってきたんだ。
The box was too big and awkward, so I put these in a bag and brought them.
これはかさばるから宅配便で送ろう。
This is bulky, so I'll send it by home delivery.
この箱はかさばりすぎて運べない。
This box is too bulky to carry.