Term Name:	opioid receptor antagonist
Synonyms:	opiate antagonist, opiate antagonists, opioid antagonist, opioid antagonists, opioid receptor antagonists
Definition:	An agent that binds to but does not activate an opioid receptor thereby blocking the actions of endogenous or exogenous opioid receptor agonists.
Ontology:	ChEBI [CHEBI:60605]  ( EBI )