ironclad
iron|clad /'aɪ'ərnklæd/
also iron-clad
[ADJ]
If you describe a guarantee or plan as ironclad, you are emphasizing that it has been carefully put together, and that you think it is absolutely certain to work or be successful.
...ironclad guarantees of safe passage...
also iron-clad
[ADJ]
If you describe a guarantee or plan as ironclad, you are emphasizing that it has been carefully put together, and that you think it is absolutely certain to work or be successful.
...ironclad guarantees of safe passage...