Ironclad

/ˈaɪərnˌklæd/

Meaning & Definition

noun

A warship protected by armor plates.

The museum displayed a model of the famous ironclad that changed naval warfare.

adjective

Not able to be weakened, changed, or defeated; strong and unassailable.

The contract was ironclad, ensuring that both parties would fulfill their obligations without any loopholes.

Covered or protected with iron plates.

During the naval battle, the ironclad ships proved to be formidable against wooden vessels.

Originates from the 19th century, derived from the term 'ironclad', referring to warships covered with iron armor.

ironclad rule

A rule that is so strong and well-established that it cannot be changed.

ironclad guarantee

A guarantee that is absolute and cannot be questioned.

indomitable

Impossible to subdue or defeat.

immutable

Unchanging over time or unable to be changed.

unassailable

Unable to be attacked, questioned, or defeated.

Something that is unquestionably solid or valid.

Her contract was ironclad, there is no way they could back out.

A situation or statement that is beyond dispute.

When he made the proposal, it was backed by ironclad evidence.