Option 1 -> Imprecise means lacking exactness or accuracy, which contradicts the meaning of veracious.
Option 2 -> Truthful means honest and accurate, which is synonymous with veracious.
Option 3 -> Spurious means false or fake, which is the opposite of veracious.
Option 4 -> Insincere means not genuine or dishonest, which contradicts veracious.
Hence, Option 2: Truthful -> "Veracious" is derived from the Latin word "verax" meaning truthful or honest, making "truthful" the direct synonym -> correct