take a firm stand (on or against something)

take a firm stand (on or against something)

To publicly assert one's opinion or defense of or opposition to something without relenting. I know voicing my opinion on this legislation may put my job in jeopardy, but it's time to take a firm stand against these discriminatory hiring practices. Though an unpopular opinion, the principal took a firm stand on keeping classes separated by gender.
See also: firm, stand, take