Deadlevel is a term used to describe a completely level surface. If we are looking for antonyms for this word, then we need to consider words that describe surfaces that are not level. Some antonyms that can be used for the word deadlevel are inclined, tilted, sloping, crooked, uneven, and hilly. Inclined refers to a surface that is at an angle, while tilted implies a surface that is slightly off-balance. Sloping refers to a surface that has a gradual upward or downward angle, while crooked suggests that the surface is uneven in shape. Uneven is the most commonly used antonym for deadlevel as it indicates a surface that is not level. Hilly refers to a surface that is steep or undulating in shape.