noun
- A line that marks the side boundary of a playing field.
- synonyms: out of bounds
- An auxiliary line of merchandise.
- An auxiliary activity.
- synonyms: avocation, by-line, hobby, pursuit, spare-time activity
verb
- Remove from the center of activity or attention; place into an inferior position.
- usage: "The outspoken cabinet member was sidelined by the President"
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). sideline. Retrieved September 20, 2026, from http://smartdefine.org/sideline/definitions/1207968 |
| Chicago | WordNet. 2010. "sideline" http://smartdefine.org/sideline/definitions/1207968 (accessed September 20, 2026). |
| Harvard | WordNet 2010, sideline, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/sideline/definitions/1207968>. |
| MLA | WordNet. "sideline" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/sideline/definitions/1207968> |