Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

iron

 
/ˈɑɪ·ərn/ adj [not gradable] (MADE OF METAL)

Definition

made of or containing iron: iron ore an iron railing along the steps fig. Her success depended on physical strength and an iron will (= strong determination).
(Definition of iron adj (MADE OF METAL) from the Cambridge Academic Content Dictionary © Cambridge University Press)

“iron” in other dictionaries

Word of the Day

rain on sb's parade

to do something that spoils someone's plans

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More