[ in-sur-juh n-see ]
/ ɪnˈsɜr dʒən si /

noun, plural in·sur·gen·cies for 4.

the state or condition of being insurgent.
insurrection against an existing government, usually one's own, by a group not recognized as having the status of a belligerent.
rebellion within a group, as by members against leaders.

Origin of insurgency

First recorded in 1795–1805; insurg(ent) + -ency

Can be confused

insurgence insurgency Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for insurgency