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ironclad

adjective

/ˈaɪərnˌklæd/

Meaning

impossible to change, break, or dispute; very strong and firm

The company had an ironclad contract with its suppliers.

ironclad guarantee

firm, unbreakable, rigid, absolute, binding

weak, breakable, flexible

ironclad contract, ironclad rule, ironclad guarantee, ironclad agreement

Impossible to travel along or over.

Not reformed or showing no signs of change; stubbornly refusing to reform or repent.

Free from outside control; not depending on others.

Controlled by several local offices or authorities rather than one single one.

unwilling or hesitant to do something

Fully in agreement; with everyone sharing the same opinion.