Term Name:	negative regulation of natural killer cell activation
Synonyms:	down regulation of natural killer cell activation, down-regulation of natural killer cell activation, downregulation of natural killer cell activation, inhibition of natural killer cell activation, negative regulation of NK cell activation
Definition:	Any process that stops, prevents, or reduces the frequency, rate or extent of natural killer cell activation.
Ontology:	GO: Biological Process [GO:0032815]    QuickGO    AmiGO