Whiz-bang is an adjective that describes something that is impressive or excellent. However, it is not the only word that can be used to convey this sentiment. There are several synonyms for whiz-bang, such as fabulous, wonderful, extraordinary, amazing, awesome, exceptional, and phenomenal. These words are often used to describe something that is outstanding and impressive, and they can be used in a wide range of contexts, including when referring to people, products, or experiences. Using synonyms for whiz-bang can help to spice up your writing and make it more engaging, so consider incorporating some of these words into your vocabulary today!