i·ron·bound 
(īərn-bound′)
(īərn-bound′)adj.
1. Bound with iron.
2. Rigid and unyielding: an ironbound moral code.
3. Bound with rocks and cliffs: ironbound coasts.
- extracorporeal
- extracorporeally
- extracranial
- extract
- extractable
- extractible
- extraction
- extractive
- extractively
- extractor
- extracurricular
- extraditable
- extradite
- extradition
- extrados
- extraembryonic
- extragalactic
- extrahepatic
- extra-high voltage
- extrajudicial
- extrajudicially
- extralegal
- extralegally
- extramarital
- extramundane