When it comes to identifying synonyms for the word austere, there are numerous options available. Some commonly used synonyms for austere include strict, severe, stern, restrained, and ascetic. Other words that can be used interchangeably with austere include frugal, simple, plain, spartan, and unadorned. Each of these words has a slightly different connotation, but they all share the same general meaning of being simple, restrained, or lacking any kind of luxury or indulgence. Whether you are writing an essay, giving a speech, or engaged in any sort of formal writing, using synonyms for austere can help you to add variety and depth to your language while conveying the same overall message.