to give somebody information about something, especially something that was previously secret
John came home late, so he had to disclose his activities to his wife.
The company is legally required to disclose financial information to its shareholders.
The government decided to disclose the findings of the investigation to the public.
Before signing the contract, it is essential to disclose any potential conflicts of interest.
The whistleblower courageously decided to disclose evidence of corruption within the organization.