"Every little thing" is a common expression we use to refer to small details or minor issues that are often significant in the grand scheme of things. However, there are several synonyms for this phrase that you can use to add variation to your vocabulary. For example, you can use the terms minutia, nuances, particulars, specifics, or details. These words have similar meanings to "every little thing" and can be used interchangeably in most cases. Using synonyms can help you communicate your ideas more effectively and enhance your writing skills.