The antonyms for the phrase "giving verbal account" could be silent, mute, speechless, non-communicative, nonvocal, or taciturn. These words refer to the absence of speech, which is the opposite of giving a verbal account. On the other hand, other antonyms for this phrase could be writing, typing, or texting, as they all involve communicating without speaking out loud. Additionally, some antonyms could be showing, demonstrating, or illustrating, which imply expressing oneself through actions or visual aids instead of words. Overall, antonyms for "giving verbal account" refer to the absence of speaking or expressing oneself through other means.