undying love/devotion/support etc• She and I sworeundying love.• One reader's St Valentine's Day post brought an interesting offer, but not of undying love and devotion.• Trading on the name and our undying devotion, Carlton have revived Crossroads.• Once in the barn, Stewart felt obliged to follow through on the expedition by dramatically expressing undying love for Susan Mary.• Labour seemed happiest when proclaiming its undying support for the NationalHealthService and the stateeducationsystem of the post-Beveridge era.• The promises of undying love, of dailythoughts.• There had been no expression of undying love on the angular face she had come to love.• He kept apologising to Nellie and swearing undying devotion to her.