disclaim
verb (used with object)
to deny or repudiate interest in or connection with; disavow; disown.
Used to describe an ongoing action or continuous state that was happening at a specific time in the past.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
All of this time unnamed Air Force officials were disclaiming serious interest in the UFO subject.
From The Report on Unidentified Flying Objects by Edward J. Ruppelt