Definition
Definition noun - A vivid representation in words of someone or something.
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Synonyms for Definition
Key and definition are semantically related in description topic. In some cases you can use "Key" instead a noun "Definition", when it comes to topics like rationalisation, rationalization.
Key
Key noun - An explanatory list of the symbols on a map or chart.
Definition and key are semantically related in rationalisation topic. Sometimes you can use "Definition" instead a noun "Key", if it concerns topics such as rationalization, explanation.
Mutual synonyms
How words are described
Both words in one sentence
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You could think of them as artificially created Mutants, but "artificially created" is the key to the definition.
Source: Bio-Augmentation - That key has six flats, from which the title creates a pun with the "apartment building" definition of "flat".
Source: Pun Based Title / Music - This isn't totally inaccurate though since psychopathy is not currently recognized as an official psychological diagnosis (so they have a bit of leeway on how they use it), and lack of empathy and compassion are generally regarded as two of the key symptoms in any current definition of the term.
Source: Hollywood Psych
Cite this Source
Key and Definition. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/definition/key
Definition & Key. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/definition/key>.
Key or Definition. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/definition/key.
Google Ngram Viewer shows how "definition" and "key" have occurred on timeline