Words Ropey and Superior are semantically related or have opposite meaning

How are the words Ropey and Superior related? Ropey and Superior are antonymous, they have opposite meaning.

mitx-6.00x/ps5_words.txt at master · gwgundersen/mitx-6.00x · GitHub

Semantics

Semantics ~all about meaning~. - ppt download

DIALOGUE OF CULTURES AND PARTNERSHIP OF CIVILIZATIONS

SEMANTIC RELATIONS SEMANTICS 304 FIRST SEMESTER-121 MS. SAHAR DEKNASH SENSE RELATIONS. - ppt download

Vocabulary 2: Opposite Roots

PDF) Robust point cloud normal estimation via neighborhood reconstruction

M_09_22_acisuM by aquiaqui33 - Issuu

MITx6.00.2x/ProblemSet1a/words.txt at master · endofcake/MITx6.00.2x · GitHub

clearnlp-dictionary/src/main/resources/edu/emory/clir/clearnlp/dictionary/morphology/english/adjective.base at master · clir/clearnlp-dictionary · GitHub