A mischievous device, which, &c.— A mischievous device, but prevailed not. Houbigant. Dr. Delaney is of opinion, that these words refer more especially in their primary sense to the Ammonites, and those cruelties which they intended to inflict upon David and his people, but which were retaliated upon their own heads. See Life of David, vol. 2: p. 118.
Related Commentaries of Psalms 21:11
Psalms 21:11
11 For they intended evil against thee: they imagined a mischievous device, which they are not able to perform.