ironclad

1. a. Clad in iron; protected or covered with iron, as a vessel for naval warfare. Source: opted

2. a. Rigorous; severe; exacting; as, an ironclad oath or pledge. Source: opted

3. n. A naval vessel having the parts above water covered and protected by iron or steel usually in large plates closely joined and made sufficiently thick and strong to resist heavy shot. Source: opted

4. adj. sheathed in iron plates for protection Source: wordnet

5. adj. inflexibly entrenched and unchangeable Source: wordnet

6. adj. without flaws or loopholes Source: wordnet

7. n. a wooden warship of the 19th century that is plated with iron or steel armor Source: wordnet

8. 1. Clad in iron; protected or covered with iron, as a vessel for naval warfare. 2. Rigorous; severe; exacting; as, an ironclad oath or pledge. [Colloq.] A naval vessel having the parts above water covered and protected by iron or steel usually in large plates closely joined and made sufficiently thick and strong to resist heavy shot. Source: webster

9. A naval vessel having the parts above water covered andprotected by iron or steel usually in large plates closely joined andmade sufficiently thick and strong to resist heavy shot. Source: adambom

10. n:100 n. a wooden warship of the 19th century that is plated with iron or steel armor s. sheathed in iron plates for protection s. inflexibly entrenched and unchangeable Source: ecdict

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