Iron
Iron adjective - Not showing weakness or uncertainty.
Unbreakable and iron are semantically related. in inflexible topic. In some cases you can use "Unbreakable" instead an adjective "Iron".
Unbreakable
Unbreakable adjective - Impossible to break especially under ordinary usage.
Iron and unbreakable are semantically related. Sometimes you can use "Iron" instead an adjective "Unbreakable".
Mutual synonyms
Related pairs
Both words in one sentence
- The highest level of Zistonian Battlesign, for example,is basically an iron sword with huge knockback and fire damage added, along with being unbreakable.
Source: Video Game / Super Hostile - Power Man — or Luke Cage, as he now prefers — is a superhumanly strong brawler with unbreakable skin; his crimefighting partner Iron Fist is one of the most skilled martial artists on the planet.
Source: Force and Finesse - Adam and Shelly apparently thought that aligning with unbreakable pairs who had known each other outside of the game and would never vote against each other unless they wanted to commit gameplay suicide would bring them to the finals over pairs that were easily swayed and not as iron-bound.
Source: Reality Show Genre Blindness
Cite this Source
Unbreakable and Iron. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/iron/unbreakable
Iron & Unbreakable. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/iron/unbreakable>.
Unbreakable or Iron. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/iron/unbreakable.
Google Ngram Viewer shows how "iron" and "unbreakable" have occurred on timeline