ve·ra·cious. adj. 1. Honest; truthful: She was not absolutely veracious; but this defect was of no great consequence, for she had never had anything to conceal (Henry James).2. Accurate; true: a veracious account of what happened.e·ra·cious. adj. 1. Honest; truthful: She was not absolutely veracious; but this defect was of no great consequence, for she had never had anything to conceal (Henry James). 2. Accurate; true: a veracious account of what happened.