neutral
Laodicean
apathetic
autarchic
autarkic
autonomous
centrist
even
fifty-fifty
free-spirited
freewheeling
half-and-half
impartial
independent
indifferent
individualistic
inner-directed
midway
moderate
neuter
noncommitted
nonpartisan
on the fence
passive
self-contained
self-dependent
self-determined
self-directing
self-governed
self-governing
self-reliant
self-subsistent
self-sufficient
self-supporting
sovereign
third-force
third-world
uncommitted
uninvolved