Irresolute means unable to make up your mind. An irresolute leader, irresolute at the crucial moment, hesitant and irresolute.
It is a criticism of character rather than of one decision, which is what makes it so damaging about a leader. It is the negative of resolute, and the two are rarely used of anything but people.
1adjectiveirresoluteUnable to make up your mind.
“The irresolute captain couldn't decide whether to attack or retreat, and the chance was lost.”
irresolute is a quality.
Also accepted in games: indecisive
In-, not, plus resolute, from Latin resolutus, from resolvere, to loosen or settle.
French
irrésolu
English, today
irresolute
1580. Borrowed from French irrésolu or composed from ir + resolute.
Etymology from Wiktionary, CC BY-SA