| Noun | 1. | decisiveness - the trait of resoluteness as evidenced by firmness of character or purpose; "a man of unusual decisiveness" Synonyms: decision Antonyms: indecision, indecisiveness - the trait of irresolution; a lack of firmness of character or purpose; "the king's incurable indecisiveness caused turmoil in his court" |
| 2. | decisiveness - the quality of being final or definitely settled; "the finality of death" Synonyms: conclusiveness, finality |