To say that something is true, especially that someone has done something wrong or illegal, when this has not been proved.
The witness alleged that the driver had been drinking.
The report alleges serious safety problems at the factory.
Allege is formal and is common in news reports and legal writing.
Common phrases & grammar
allege wrongdoing · allege fraud · allege corruption · allege misconduct
allege that + subject + verb
be alleged to + verb