Synonyms of unregimented

3 Syllables
sovereign, self-reliant, unaided, autarchic, freewheeling, self-ruling, unallied
4 Syllables
unenslaved, absolute, non-partisan, separated, autonomous, non-aligned, independent, nonpartisan, autarchical, self-sufficient, self-contained, nonaligned, self-supporting, self-governing, unconnected, unconstrained, uncontrolled, separate
5 Syllables
self-determining
6 Syllables
individualistic