The antonyms for "were indecisive" are resolute, decisive, determined, unwavering, firm, bold, unwavering, and unswerving. Being resolute and decisive means having a clear and firm resolve, while being determined means having a strong will and commitment towards something. Unwavering implies being steady and consistent in one's actions, while being firm indicates having a strong and unwavering belief or stance. Bold suggests being daring and courageous in making decisions, while unwavering and unswerving highlight the steadfastness and commitment to a particular cause or idea. So, contrary to being indecisive, the above antonyms emphasize the importance of having conviction, determination, and a clear sense of direction in life.