adj. Not aligned with, supporting, or favoring either side in a war, dispute, or contest.adj. Belonging to neither side in a controversy: on neutral ground. adj. Belonging to neither kind; not one thing or the other.adj. Sexless; neuter.adj. Chemistry Of or relating to a solution or compound that is neither acidic nor alkaline.adj. Chemistry Of or relating to a compound that does not ionize in solution.adj. Physics Of or relating to a particle, an object, or a system that has neither positive nor negative electric charge.adj. Physics Of or relating to a particle, object, or system that has a net electric charge of zero.adj. Of or indicating a color, such as gray, black, or white, that lacks hue; achromatic.adj. Linguistics Pronounced with the tongue in a middle position, neither high nor low, as the a in around.n. A nation nonaligned with either side in a war.n. A citizen of such a nation.n. One who takes no side in a controversy: "I am by disposition one of life's neutrals, a human Switzerland” ( John Gregory Dunne). n. A neutral hue.n. A position in which a set of gears is disengaged so that power cannot be transmitted.