Any process that stops, prevents or reduces the frequency, rate or extent of cellular response to manganese ion.
Synonyms:
exact_synonym:
down regulation of cellular response to manganese; down regulation of cellular response to manganese ion; downregulation of cellular response to manganese; downregulation of cellular response to manganese ion; negative regulation of cellular response to manganese
narrow_synonym:
inhibition of cellular response to manganese; inhibition of cellular response to manganese ion