unwarily

Those who listened unwarily to that voice could seldom report the words that they heard; and if they did, they wondered, for little power remained in them.

When something delicious-smelling ran unwarily past him, he found he had pounced on it and pinned it down without thought.

But the man unwarily exclaimed in English, and so was discovered and his design prevented.

Neither unwarily condemn your bride’s insipidity, till you have recollected that no object, however sublime, no sound, however charming, can continue to transport us with delight, when they no longer strike us with novelty.

"Then it was not you," he exclaimed unwarily, "who sent Pilgrimstone's terms to the Times?"