The term thrillful refers to something that is exciting or full of thrills and excitement. There are many synonyms that can be used in place of this word, such as exciting, exhilarating, breathtaking, sensational, thrilling, stimulating, invigorating, and electrifying. Each of these words can be used to describe experiences, activities, and events that elicit strong emotions and adrenaline rushes. Whether it's skydiving, bungee jumping, or riding a rollercoaster, all of these experiences can be described as thrillful. So, if you're looking for alternative words to describe something that's exciting or exhilarating, there are many synonyms you can use instead of thrillful.