The word "more shuddersome" refers to something that is extremely frightening or horrifying. Antonyms for this word can be words like calming, comforting, soothing, relaxing, and reassuring. Something that is relaxing and calming has the opposite effect of something that is shuddersome. It can be said that antonyms for "more shuddersome" capture positive emotions and feelings associated with safety and protection. For instance, a sunny day can be quite reassuring, while sitting by a cozy fire may be comforting. Therefore, when we encounter a word like "more shuddersome," we can look for its antonyms to help us better understand its opposite meaning.