Wowzer is a slang word used as an exclamation to express surprise, astonishment, or admiration. Although it is a colloquial term, it is useful to have other synonyms to use in appropriate situations. Some synonyms for wowzer include fabulous, amazing, awesome, breathtaking, stunning, eye-popping, outstanding, impressive, remarkable, and phenomenal. These adjectives express a high level of excitement, amazement, and appreciation towards something or someone. Different synonyms can be used according to the context, tone, and sentiment of the conversation. Alternatives to wowzer are a great way to enrich your vocabulary and to be more expressive and colorful in your language use.