- (a.) Characterized by nicety of discrimination; discerning; delicate; refined; subtle.
- (a.) Acute; piercing; searching.
- (a.) Delicately constituted or constructed; nice; fine; delicate; tenuous; finely woven.
- (a.) Thin; not dense or gross; rare; as, subtile air; subtile vapor; a subtile medium.
- (a.) Sly; artful; cunning; crafty; subtle; as, a subtile person; a subtile adversary; a subtile scheme.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Subtile. Retrieved September 23, 2026, from http://smartdefine.org/subtile/definitions/2067994 |
| Chicago | Webster's. 2011. "Subtile" http://smartdefine.org/subtile/definitions/2067994 (accessed September 23, 2026). |
| Harvard | Webster's 2011, Subtile, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/subtile/definitions/2067994>. |
| MLA | Webster's. "Subtile" 28 May 2011. Web. 23 September 2026. <http://smartdefine.org/subtile/definitions/2067994> |