The phrase "bearing testimony" refers to the act of expressing one's belief or confidence in something. The antonyms for this phrase can vary depending on the context in which it is used. For instance, if used in a religious setting, antonyms may include denial, disbelief, or doubt. In a legal context, antonyms may include lying, denying, or retracting a previously given testimony. In general, antonyms for "bearing testimony" can imply a lack of conviction, skepticism, or an unwillingness to endorse a particular belief or idea. Ultimately, the antonyms for "bearing testimony" hinge on the speaker's intention and the context in which the phrase is used.