downgrade

Từ điển American Heritage Dictionary 4th

down·grade (dounʹgrād')n.
1. A descending slope, as in a road.
2. A turn or trend downward.
3. A decline, as in fortune, status, or condition:
a neighborhood on the downgrade.tr.v. down·grad·ed, down·grad·ing, down·grades
1. To lower the status or salary of.
2. To minimize the importance, value, or reputation of. See Synonyms at decry. See Synonyms at demote.