againster

noun

against·​er əˈgen(t)-stər 

-ˈgin(t)-,

-ˈgān(t)-

plural againsters

informal

: a person who frequently or habitually expresses opposition to the ideas or policies of others

Gerry Ford has always been an "againster." That was the duty of the Republican leadership in the House—never to propose, always to oppose.

—Thomas P. "Tip" O'Neill, quoted in The (Dubuque, Iowa) Telegraph Herald, 11 Jan. 1976

Word History

Etymology

against entry 1 + -er entry 2

First Known Use

1919, in the meaning defined above

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