1. (adj)dirt, ungraded (of roads) not leveled or drained; unsuitable for all year travel Synonyms: ungraded, unordered, unranked, dirt Antonyms: improved, hierarchal, hierarchic, hierarchical
2. (adj)ungraded, unordered, unranked not arranged in order hierarchically Synonyms: ungraded, disordered, unordered, unranked, dirt Antonyms: hierarchical, improved, hierarchal, hierarchic