🔒ironclad

Meaning

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

Example Sentences

The company had an ironclad contract with its suppliers.

Example Expressions

ironclad guarantee

Synonyms

firm, unbreakable, rigid, absolute, binding

Antonyms

weak, breakable, flexible

Collocations

ironclad contract, ironclad rule, ironclad guarantee, ironclad agreement