Multiple choice Directions: Choose the word that best expresses the meaning of the given word. LETHAL Mortal Appalling Awful Dreadful Reveal answer Fill a bubble to check yourself A Correct answer Explanation Lethal means deadly, fatal, or causing death. Mortal means causing death or subject to death - they're synonymous in this context. Appalling, awful, and dreadful mean very bad or unpleasant, but don't specifically mean deadly.