The word "whizer" is a noun used to describe someone who is exceptionally fast or skilled at a particular task. There are several synonyms for this word, including "speedster," "ace," "wizard," "guru," "pro," "maestro," "virtuoso," and "master." These words all describe individuals who excel in their field and can perform their tasks quickly and efficiently. Whether it's cooking, painting, writing, or sports, a whizer is someone who can complete their work with lightning speed and precision. So, if you're looking for a word to describe someone who is a master of their craft, a whizer may be just the word for you!