Placeholder
Placeholder noun - A symbol in a logical or mathematical expression that can be replaced by the name of any member of specified set.
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Synonyms for Placeholder
Variable and placeholder are semantically related. In some cases you can use "Variable" instead a noun "Placeholder".
Variable
Variable noun - Something that is likely to vary; something that is subject to variation.
Placeholder and variable are semantically related. Sometimes you can replace term "Placeholder" with "Variable", this nouns are similar.
Both words in one sentence
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K is a placeholder variable in math, hinting at his switch with Akane in the true timeline and Sigma's name references his ability to remember memories from multiple timelines.
Source: One-Letter Name
Cite this Source
Variable and Placeholder. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/placeholder/variable
Placeholder & Variable. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/placeholder/variable>.
Variable or Placeholder. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/placeholder/variable.
Google Ngram Viewer shows how "placeholder" and "variable" have occurred on timeline