Inflexible
Inflexible adjective - Not capable of changing or being changed.
Sure and inflexible are semantically related. In some cases you can use "Sure" instead an adjective "Inflexible".
Sure
Sure adjective - Having or showing a mind free from doubt.
Inflexible and sure are semantically related. Sometimes you can use "Inflexible" instead an adjective "Sure".
Nearby Word: surely
Mutual synonyms
Both words in one sentence
- Magnus accepts the post very reluctantly, feeling he isn't worthy—and sure enough, he actually doesn't do a very good job because he's too inflexible.
Source: The Creon - While he would certainly make a better king than Tommen, he is a stubborn, self-righteous and inflexible man and he would not hesitate to sacrifice all and everything in Westeros to make sure what he sees as "the right thing" happens.
Source: The Wrongful Heir to the Throne
Cite this Source
Sure and Inflexible. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/inflexible/sure
Inflexible & Sure. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/inflexible/sure>.
Sure or Inflexible. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/inflexible/sure.
Google Ngram Viewer shows how "inflexible" and "sure" have occurred on timeline