neutralityEnglishOxford American Thesaurusneutrality noun 1 the tradition of civil service neutrality: impartiality, lack of bias, lack of prejudice, objectivity, open-mindedness, disinterestedness, even-handedness, fairness, fair-mindedness, detachment. ▷antonyms partiality, bias. 2 our long-term interests will be served best by maintaining our neutrality in the war: nonalignment, nonparticipation, noninvolvement, nonintervention, noninterventionism, noncombativeness. ▷antonyms participation, taking sides.