Definition of "single-issue" [single-issue]

• Of, relating to, or concerned with a single public issue, especially a controversial one, to the exclusion of all other issues: single-issue groups; single-issue politics. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The Southern states seceded because Abraham Lincoln had been elected President, and he was what we now call a single-issue candidate, who had been nominated by a single-issue party, and that issue was to prevent slavery from spreading and, ultimately, to make it extinct."
• "By the early 1980s the Republicans were laboring under the weight of a single-issue religious test for heresy: abortion."
• "The alternative vote makes it easier for independent-minded people, inside and outside political parties, to be vocal about the environment and for single-issue parties to spring up in support of change."