noun change toward something smaller or lower
Synonymsdiminution
noun a condition inferior to an earlier condition; a gradual falling off from a better state
Synonymsdeclination
Oppositesimprovement
noun a gradual decrease; as of stored charge or current
Synonymsdecay
noun a downward slope or bend
verb grow worse
Synonymsworsen
verb show unwillingness towards
Synonymsrefuse
Source: WordNet 3.1, Princeton University
