downgrade

English Thesaurus

1. the property possessed by a slope or surface that descends (noun.attribute)

hypernym	:	grade,
definition	:	the gradient of a slope or road or other surface (noun.attribute)

2. rate lower; lower in value or esteem (verb.cognition)

hypernym	:	grade, order, place, range, rank, rate,
definition	:	assign a rank or rating to (verb.cognition)

antonym	:	upgrade,
definition	:	rate higher; raise in value or esteem (verb.cognition)

antonym	:	upgrade,
definition	:	rate higher; raise in value or esteem (verb.cognition)