Certain
Certain adjective - Having been established and usually not subject to change.
Usage example: a certain percentage of the profits will go to charity
Variable
Variable adjective - Likely to change frequently, suddenly, or unexpectedly.
Usage example: highly variable income from his job as a real estate agent
Both words in one sentence
- And the "set" of items spawned on the map is determined by a random variable and further confusing people, some can only be obtained on certain difficulties and by certain characters.
Source: Guide Dang It / Survival Horror -
The Computer Is a Cheating Bastard: Anyone with Teleport can use it to teleport almost anywhere they can see up to a certain (variable) range.
Source: Video Game / City of Heroes - In Matlab syntax, and probably in a whole bunch of other mathematical software, any string of letters and certain other characters counts as a single variable.
Cite this Source
Variable and Certain. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/certain/variable
Certain & Variable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/certain/variable>.
Variable or Certain. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/certain/variable.
Google Ngram Viewer shows how "certain" and "variable" have occurred on timeline