Any process that stops, prevents or reduces the frequency, rate or extent of NMDA glutamate receptor activity.
Synonyms:
exact_synonym:
down regulation of N-methyl-D-aspartate selective glutamate receptor activity; down regulation of NMDA glutamate receptor activity; down regulation of NMDA receptor; downregulation of N-methyl-D-aspartate selective glutamate receptor activity; downregulation of NMDA glutamate receptor activity; downregulation of NMDA receptor; negative regulation of N-methyl-D-aspartate selective glutamate receptor activity; negative regulation of NMDA receptor
narrow_synonym:
inhibition of N-methyl-D-aspartate selective glutamate receptor activity; inhibition of NMDA glutamate receptor activity; inhibition of NMDA receptor