The word "strange" can be described by a wide range of synonyms. Some of the most commonly used substitute words for "strange" are unusual, odd, peculiar, bizarre, unfamiliar, atypical, extraordinary, outlandish, and eccentric. Each of these synonyms adds a unique flavor to the meaning of the word "strange." For instance, "unusual" suggests something uncommon or unexpected, while "peculiar" suggests something specific to a particular person or thing. Similarly, "bizarre" implies something weird or out of the ordinary, whereas "eccentric" suggests a person or thing that is peculiar or unconventional. Overall, with the help of these synonyms, we can express the idea of "strangeness" more aptly and effectively.