knocked unconscious (verb) stun/stupefy: amaze, shock
Sinonime: abiding, amaranthine, ceaseless, constant, deathless,
endless, enduring,
eternal, evergreen, everlasting, incorruptible, indestructible, indissoluble, interminable, lasting, never-ceasing, never-ending, perdurable, perennial, permanent, perpetual, phoenixlike, sempiternal, timeless, undying, unfading
Antonime: destructible,
ephemeral,
human,
mortal, perishable