- The definition of third-rate is something that is low in quality.
An old run down hotel that isn't very nice and isn't really as nice as other hotels is an example of accommodations that would be described as third-rate.
- third in quality or other rating; third-class
- inferior; very poor
Of third quality or value, especially of less quality or value than second-rate.
- (military, nautical, historical) a sailing warship that can be described with the adjective "third-rate"