As adjectives the difference between intergovernmental and nongovernmental
is that intergovernmental is of, pertaining to, or involving two or more governments while nongovernmental is not governmental; not derived from a government; civilian.
intergovernmental
English
Adjective
(-)
Of, pertaining to, or involving two or more governments
nongovernmental
English
Adjective
(
en adjective)
Not governmental; not derived from a government; civilian.
Derived terms
*NGO (nongovernmental organization)
* nongovernmentally