Rigid and Tuff

Rigid adjective - Not allowing for any exceptions or loosening of standards.

Tuff and rigid are semantically related In some cases you can replace term "Tuff" with "Rigid", this adjectives are similar.

Nearby Words: rigor, rigidity, rigidly

Tuff noun - Hard volcanic rock composed of compacted volcanic ash.

Rigid and tuff are semantically related in sturdy topic. Sometimes you can use "Rigid" instead an adjective "Tuff".