aggressive; bold and proactive; resolute
Describes a person or action that is actively and boldly taking initiative, often with a positive connotation of determination. Used in formal or written contexts.
He tackled the new project with bold initiative.
積極果敢な姿勢が評価された。
His proactive and resolute attitude was praised.
積極的 means 'proactive' or 'positive' in a general sense, while 積極果敢 adds a nuance of boldness and daring.
果敢 alone means 'bold' or 'resolute', but 積極果敢 combines it with the proactive element of 積極.
Compound of 積極 (せっきょく, 'positive, proactive') and 果敢 (かかん, 'bold, resolute'). The exact historical derivation is uncertain, but the word is a modern Sino-Japanese compound.