Godan verb with 'mu' ending, Intransitive verb
to wither (of flowers, dreams, etc.); to wilt; to droop; to shrivel; to fade (away); to sag; to deflate
Usually written using kana alone
花は切られるとすぐにしぼむ。Flowers soon fade when they have been cut.
Also written 凋む【しぼむ】