Antonyms for the phrase "giving an account of" include withholding, concealing, hiding, failing to report, and neglecting. These words suggest the act of purposely not providing information, avoiding disclosure, or omitting details. For instance, withholding pertains to intentionally keeping information private or secret, while concealing refers to covering up something that might expose some truth to others. Neglecting, on the other hand, means ignoring an obligation or doing an incomplete job, which fails to provide a complete account of something. In conclusion, these antonyms for "giving an account of" describe an unwillingness to report, disclose, or present truthful information about a particular event or situation.