neutral

adj.

[1]	non-belligerent , non-combatant , unaligned , non-aligned , unaffiliated , uninvolved , unallied , non-allied , non-partisan , impartial , disinterested , indifferent , dispassionate , unbiased , uncommitted , noncommittal , aloof , withdrawn , detached , remote , removed
[2]	dull , impersonal , drab , colourless , achromatic , toneless , indeterminate , washed out , pale , indefinite , indistinct , indistinguishable , indeterminate , vague , drab , beige , ecru
[3]	inert , indifferent
[4]	achromatic
[5]	electroneutral