aspersion,
slur the act of sprinkling water in baptism (rare)
petty criticism,
detraction the act of discrediting or detracting from someone's reputation (especially by slander); "let it be no detraction from his merits to say he is plainspoken"
sour grapes disparagement of something that is unattainable
disdain,
condescension,
patronage affability to your inferiors and temporary disregard for differences of position or rank; "the queen's condescension was intended to make us feel comfortable"
depreciation -
The measurement of the decline in value of assets. Not to be confused with impairment, which is the measurement of the unplanned, extraordinary decline in value of assets.
OmegaWiki Dictionary
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depreciation The falling of value, the reduction of worth.