noun
- Something that cannot be done.
- usage: "his assignment verged on the impossible"
adjective
- Not capable of occurring or being accomplished or dealt with.
- usage: "an impossible dream"; "an impossible situation"
- Totally unlikely.
- synonyms: inconceivable, out of the question, unimaginable
- Used of persons or their behavior.
- usage: "impossible behavior"; "insufferable insolence"
- synonyms: insufferable, unacceptable, unsufferable
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). impossible. Retrieved September 22, 2026, from http://smartdefine.org/impossible/definitions/1176221 |
| Chicago | WordNet. 2010. "impossible" http://smartdefine.org/impossible/definitions/1176221 (accessed September 22, 2026). |
| Harvard | WordNet 2010, impossible, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/impossible/definitions/1176221>. |
| MLA | WordNet. "impossible" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/impossible/definitions/1176221> |