noun
debuff; negative status effect
Gaming term for a temporary negative effect applied to a character, such as reduced stats or damage over time. Opposite of バフ (buff).
このボスは定期的にデバフをかけてくる。
This boss periodically applies debuffs.
防御力ダウンのデバフを受けると、被ダメージが増える。
When you get a defense-down debuff, the damage you take increases.