ironclad
/ˈaɪərnˌklæd/
noun
- A 19th-century warship protected by iron or steel plates.
- During the battle, the two ironclads fired at each other for hours.
- The Monitor was a famous ironclad used by the Union Navy.
- Visitors can tour a restored ironclad at the maritime museum.
adjective
- Impossible to change, break, or argue against; very strong and certain.
- We signed an ironclad contract that protects both sides.
- The company has an ironclad policy against using phones during meetings.
- She presented an ironclad argument that convinced everyone in the room.
- Covered with iron or protected by iron plates, especially referring to old warships.
- The museum displayed a model of an ironclad battleship from the Civil War.
- Ironclad ships changed naval warfare because they were nearly impossible to sink.
- The old fort had ironclad doors that could withstand cannon fire.
Synonyms