くじ
kujiku

Godan Verb (ku)

1. to sprain; to twist

Transitive
Usually Written in Kana
観客 かんきゃく がわから相手 あいてチームをわらってやることは、その士気 しきをくじくことになろう。
kankyakugawakara aitechiimuo waratte yaru kotowa sono shikio kujiku kotoni narō.
It would demoralize the opposing team to give it the razz from the spectators' side.
Godan Verb (ku)

2. to dampen (enthusiasm); to discourage; to dishearten; to dispirit; to depress; to unnerve; to crush

Transitive
Usually Written in Kana