to say officially that something cannot be accepted because it has not been done in the correct way

All protests have been disallowed in the city. 该市禁止一切形式的抗议活动。

The England team had two goals disallowed. 英格兰队的两次进球被判无效。

Synonyms: forbidnix prohibitproscribe veto

Opposite: allow (GIVE PERMISSION)