ISM
none. Colloq. Usu. Derog. Any distinctive doctrine or practice. [from *-ism] -ism suffix forming nouns, esp. Denoting: 1 action or its result (baptism; organism). 2 system or principle (conservatism; jingoism). 3 state or quality (heroism; barbarism). 4 basis of prejudice or discrimination (racism; sexism). 5 peculiarity in language (americanism). [greek -ismos]