disbelieve
verb (used with object)
to have no belief in; refuse or reject belief in.
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But the response on Twitter has been disbelieving at first, then brisk, and occasionally unpublishable.
From The Guardian ● Jun. 5, 2014