Any process that stops, prevents or reduces the frequency, rate or extent of receptor localization to synapse.
Synonyms:
exact_synonym:
down regulation of receptor localisation to synapse; down regulation of receptor localization to synapse; downregulation of receptor localisation to synapse; downregulation of receptor localization to synapse; negative regulation of receptor localisation to synapse
narrow_synonym:
inhibition of receptor localisation to synapse; inhibition of receptor localization to synapse