| Aptness 1. (n.) Fitness; suitableness; appropriateness; as, the aptness of things to their end. 2. (n.) Disposition of the mind; propensity; as, the aptness of men to follow example. 3. (n.) Quickness of apprehension; readiness in learning; docility; as, an aptness to learn is more observable in some children than in others. 4. (n.) Proneness; tendency; as, the aptness of iron to rust. Thesaurus Entries appositeness, appropriateness, bent, bump, expediency, faculty, fitness, flair, genius, head, helpfulness, knack, meetness, order, propitiousness, propriety, rightness, suitability, suitableness, talent, turn |