Ungraded and Unformed

Ungraded adjective - Not arranged in order hierarchically.

Unformed and ungraded are semantically related. in prepared topic. In some cases you can use "Unformed" instead an adjective "Ungraded", when it comes to topics like crude, unrefined.

Unformed adjective - Having no definite or recognizable form.

Ungraded and unformed are semantically related. Sometimes you can use "Ungraded" instead an adjective "Unformed".