| ANTIQUARIANISMS | • antiquarianisms n. Plural of antiquarianism. • ANTIQUARIANISM n. an interest in antiquarian things. |
| BREATHARIANISMS | • BREATHARIANISM n. the belief that human beings can be sustained solely by prana, a vital force in the breath. |
| CENTENARIANISMS | • CENTENARIANISM n. the state of being a centenarian. |
| EGALITARIANISMS | • egalitarianisms n. Plural of egalitarianism. • EGALITARIANISM n. a belief in human equality esp. with respect to social, political, and economic rights and privileges. |
| FLEXITARIANISMS | • FLEXITARIANISM n. a semi-vegetarian diet involving the practice of eating mainly vegetarian food but making occasional exceptions for e.g. social reasons. |
| LIBERTARIANISMS | • libertarianisms n. Plural of libertarianism. • LIBERTARIANISM n. belief in the maximum amount of freedom. |
| MILLENARIANISMS | • millenarianisms n. Plural of millenarianism. • MILLENARIANISM n. the belief that an ideal society will be produced in the near future, also MILLENARISM, MILLENNIALISM, MILLENNIANISM, MILLENNIARISM. |
| NECESSARIANISMS | • NECESSARIANISM n. the theory that actions are determined by prior history; fatalism. |
| PROLETARIANISMS | • proletarianisms n. Plural of proletarianism. • PROLETARIANISM n. belief in the proletariat. |
| SERVOMECHANISMS | • servomechanisms n. Plural of servomechanism. • servo-mechanisms n. Plural of servo-mechanism. • SERVOMECHANISM n. an automatic device for controlling large amounts of power by means of very small amounts of power and automatically correcting the performance of a mechanism. |
| ULTRAMONTANISMS | • ultramontanisms n. Plural of ultramontanism. • ULTRAMONTANISM n. the act of supporting the supremacy of the Pope. |
| UNSECTARIANISMS | • UNSECTARIANISM n. lack of sectarianism. |
| UTILITARIANISMS | • utilitarianisms n. Plural of utilitarianism. • UTILITARIANISM n. the belief that utility of actions determines moral value. |