Antonyms of adj indecisive

3 senses of indecisive

Sense 1
indecisive (vs. decisive) -- (characterized by lack of decision and firmness; "an indecisive manager brought the enterprise to a standstill")

decisive (vs. indecisive) -- (characterized by decision and firmness; "an able and decisive young woman"; "we needed decisive leadership"; "she gave him a decisive answer")
        => unhesitating, resolute -- (characterized by quickness and firmness; "his reply was unhesitating")

Sense 2
indecisive (vs. decisive) -- (not definitely settling something; "a long and indecisive war")

decisive (vs. indecisive) -- (determining or having the power to determine an outcome; "cast the decisive vote"; "two factors had a decisive influence")
        => deciding (prenominal), determinant, determinative, determining (prenominal) -- (having the power or quality of deciding; "the crucial experiment"; "cast the deciding vote"; "the determinative (or determinant) battle")
        => fateful, fatal -- (having momentous consequences; of decisive importance; "that fateful meeting of the U.N. when...it declared war on North Korea"- Saturday Rev; "the fatal day of the election finally arrived")
        => peremptory -- (putting an end to all debate or action; "a peremptory decree")

Sense 3
indecisive -- (not clearly defined; "indecisive boundaries running through mountains")

INDIRECT (VIA indefinite) -> definite -- (precise; explicit and clearly defined; "I want a definite answer"; "a definite statement of the terms of the will"; "a definite amount"; "definite restrictions on the sale of alcohol"; "the wedding date is now definite"; "a definite drop in attendance")

Similarity of adj indecisive

3 senses of indecisive

Sense 1
indecisive (vs. decisive) -- (characterized by lack of decision and firmness; "an indecisive manager brought the enterprise to a standstill")
       => on the fence (predicate), undecided -- (characterized by indecision; "some who had been on the fence came out in favor of the plan"; "too many voters still declare they are undecided")
       => hesitant, hesitating -- (lacking decisiveness of character; unable to act or decide quickly or firmly)
       => suspensive -- (undecided or characterized by indecisiveness)
          Also See-> irresolute#1

Sense 2
indecisive (vs. decisive) -- (not definitely settling something; "a long and indecisive war")
          Also See-> inconclusive#1; irresolute#1

Sense 3
indecisive -- (not clearly defined; "indecisive boundaries running through mountains")
       => indefinite (vs. definite) -- (vague or not clearly defined or stated; "must you be so indefinite?"; "amorphous blots of color having vague and indefinite edges"; "he would not answer so indefinite a proposal")