What is another word for most iron-handed?
Pronunciation: [mˈə͡ʊst ˈa͡ɪ͡ənhˈandɪd] (IPA) 
The phrase "most iron-handed" belongs to the class of idiomatic expressions, which signifies a person who is very tough, strict, and uncompromising. There are few synonyms available for the word, most of which are idiomatic expressions. Some of the synonyms for "most iron-handed" are authoritarian, dictatorial, grim, harsh, inflexible, ruthless, stern, and severe. These words are used to describe a person who is uncompromising and demanding in their approach. These traits are often associated with people in positions of authority, such as parents, bosses, and political leaders. Regardless of the context, the word "most iron-handed" suggests a powerful, intimidating, and uncompromising figure that should be taken seriously.
