ironclad

Definitions

1. 1.Rigorous; severe; exacting; as, an ironclad oath or pledge. [Colloq.]
2. 2.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's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

Related questions

• What does "ironclad" mean?

Reverse-dictionary questions

Definition-first questions whose answer is ironclad.

• What is rigorous; severe; exacting; as, an ironclad oath or pledge. [Colloq.] called?
• What is 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 called?