Hoarse voice is a condition in which the voice sounds rough, raspy, and croaky. It can be caused by a number of factors such as excessive smoking, allergies, and certain medical conditions. If you are looking for synonyms for hoarse voice, then consider terms like raspy, rough, husky, gruff, scratchy, croaky, and gravelly. All of these words suggest a voice that is not clear and sounds like it is straining. If you notice that you are experiencing hoarseness for a prolonged period of time, it may be wise to consult a doctor to determine the underlying cause of your condition.