godan verb (-mu), intransitive verb
wither; wilt; shrivel; deflate; fade
Describes flowers, plants, or inflated things losing fullness; also used metaphorically for hopes, dreams, or enthusiasm fading.
暑さで花がしぼんでしまった。
The flowers wilted in the heat.
風船がしぼんで小さくなった。
The balloon deflated and became small.
失敗して彼の夢はしぼんだ。
After failing, his dream faded away.