Deadfall refers to a trap made by felling a tree so that its branches and leaves create a tangled mesh. Antonyms of the term "deadfall" include safe, harmless, simple, and easy. Safe can refer to a situation where no danger exists, or a condition free from harm or injury. Harmless describes something that is not dangerous or does not cause any harm. Simple means that something is straightforward and easy to follow, while easy means quick and effortless. These antonyms contrast with the dangers and complexities associated with a deadfall trap. While a deadfall can be useful in hunting or trapping, it can also be lethal and must be approached with caution.