degrade

verb

1. reduce the level of land, as by erosion

   verb.contact

   Antonyms aggrade

   Source: WordNet 3.0

2. reduce in worth or character, usually verbally

   verb.emotion

   Synonyms demean disgrace put down take down

   Source: WordNet 3.0

3. lower the grade of something; reduce its worth

   verb.change

   Synonyms cheapen

   Source: WordNet 3.0

4. To reduce from a higher to a lower rank or degree; to lower in rank; to deprive of office or dignity; to strip of honors; as, to <i>degrade</i> a nobleman, or a general officer.

   verb

   Source: webster1913

5. To degenerate; to pass from a higher to a lower type of structure; as, a family of plants or animals <i>degrades</i> through this or that genus or group of genera.

   verb

   Source: webster1913