adjective
- Not liable to failure.
- usage: "a foolproof identification system"; "the unfailing sign of an amateur"; "an unfailing test"
- synonyms: foolproof
- Always able to supply more.
- usage: "an unfailing source of good stories"; "a subject of unfailing interest"
- Unceasing.
- usage: "unfailing loyalty"; "unfailing good spirits"; "unflagging courtesy"
- synonyms: unflagging
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). unfailing. Retrieved September 22, 2026, from http://smartdefine.org/unfailing/definitions/1186591 |
| Chicago | WordNet. 2010. "unfailing" http://smartdefine.org/unfailing/definitions/1186591 (accessed September 22, 2026). |
| Harvard | WordNet 2010, unfailing, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/unfailing/definitions/1186591>. |
| MLA | WordNet. "unfailing" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/unfailing/definitions/1186591> |