Certain
Certain adjective - Having been established and usually not subject to change.
Usage example: a certain percentage of the profits will go to charity
Fixed is a synonym for certain in determined topic. In some cases you can use "Fixed" instead an adjective "Certain", when it comes to topics like characteristic, change, undoubtable. popular alternative
Fixed
Fixed adjective - Having been established and usually not subject to change.
Usage example: the baseball card dealer's prices were fixed, so bargaining was not an option
Certain is a synonym for fixed in intent topic. You can use "Certain" instead an adjective "Fixed", if it concerns topics such as change, determined. popular alternative
Mutual synonyms
Both words in one sentence
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![Hello, [Insert Name Here]](/img/sentences/14/Hello_Insert_Name_Here.gif)
The party members have fixed, canon names, but unusually for a game with voice acting, you can change their names however you like past a certain point in the story.
Source: Hello, [Insert Name Here] - Gen IV fixed this even further with more baby Pokémon being added, some that evolve quicker via learning certain moves or having a certain Pokémon in your party, and are worth raising.
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Timed Mission: Each of the five areas of the game has one level where you need to find a certain number of items or solve a certain number of puzzles in a fixed time frame.
Cite this Source
Fixed and Certain. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/certain/fixed
Certain & Fixed. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/certain/fixed>.
Fixed or Certain. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/certain/fixed.
Google Ngram Viewer shows how "certain" and "fixed" have occurred on timeline