brassbound
brass·bound
adjective
1.
inflexibly entrenched and unchangeable
- “brassbound traditions”
- “brassbound party loyalists”
- “an ironclad rule”
Origin
From brass + bound.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.