- (a.) Obscure; not clear; unintelligible.
- (a.) Impervious to the rays of light; not transparent; as, an opaque substance.
- (n.) That which is opaque; opacity.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). opaque. Retrieved September 23, 2026, from http://smartdefine.org/opaque/definitions/2038952 |
| Chicago | Webster's. 2011. "opaque" http://smartdefine.org/opaque/definitions/2038952 (accessed September 23, 2026). |
| Harvard | Webster's 2011, opaque, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/opaque/definitions/2038952>. |
| MLA | Webster's. "opaque" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/opaque/definitions/2038952> |