The word "dithery" is an adjective that describes someone who is indecisive, nervous, or shaky. The antonyms for this word are "decisive," "confident," and "steady." A person who is decisive is someone who can make a quick and firm decision without hesitation. "Confident" refers to someone who has a strong belief in their abilities, ideas, or actions. Someone who is "steady" is someone who is reliable, dependable, and consistent in their actions. It is important to understand the different antonyms for "dithery" as they can help us become more clear-headed, confident, and decisive in our lives.