/ əˈspɜːʃnz; NAmE əˈspɜːrʒnz/ noun
[ pl. ] ( formal ) critical or unpleasant remarks or judgements :
I wouldn't want to cast aspersions on your honesty.
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WORD ORIGIN
late Middle English (denoting the sprinkling of water, especially at baptism): from Latin aspersio(n-) , from aspergere , from ad- to + spargere sprinkle.