1. skill and grace in physical movement or handling; nimbleness and coordination
2. skill and cleverness in managing or handling a situation; mental adroitness

Examples

• The surgeon's dexterousness allowed her to perform the delicate operation with precision.
• The acrobat displayed remarkable dexterousness as she balanced on the narrow beam.
• His dexterousness in negotiating the contract impressed all the parties involved.
• The pianist's dexterousness was evident in her rapid, flawless finger movements.
• She handled the difficult social situation with great dexterousness and diplomacy.
• The magician's dexterousness made the coin disappear before the audience's eyes.