The word "torturous" is an adjective that describes a difficult, painful or unpleasant experience. It can refer to something that causes physical or emotional distress, and implies a sense of prolonged suffering or agony. The term comes from the Latin word "torquere," meaning to twist, which suggests the idea of being stretched or pulled in different directions, causing discomfort or pain. In essence, anything described as torturous is something that is extremely difficult and unpleasant to endure.