Important and Key

Similar meaning words

mutual synonyms sentence examples

Important

Important adjective - Having great meaning or lasting effect.
Usage example: the discovery of penicillin was a very important event in the history of medicine
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Synonyms for Important
Antonyms for Important
Key is a synonym for important in main topic. In some cases you can use "Key" instead an adjective "Important".
Nearby Words: importance, importantly, importation

Key

Key adjective - Coming before all others in importance.
Usage example: maintains that Sir Isaac Newton remains the key figure in physical science
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Synonyms for Key
Antonyms for Key
Important is a synonym for key in essential topic. Sometimes you can use "Important" instead an adjective "Key", if it concerns topics such as crucial.
Nearby Words: keyed, keyboard, keying

Mutual synonyms

Related pairs

Both words in one sentence

  • If they are important prisoners, I will keep the only key to the cell door on my person instead of handing out copies to every bottom-rung guard in the prison.
    Source: Evil Overlord List
  • This lightsaber allows you to interact with an important NPC later on, finding out some key info.
    Source: Chekhovs Gun / Table Top Gaming
  • Useful Notes / Buddhism Two more important concepts key to Buddhism are those of reincarnation and karma.
    Source: Useful Notes / Buddhism
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Cite this Source
Key and Important. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/important/key
Important & Key. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/important/key>.
Key or Important. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/important/key.

Synonyms for important


Synonyms for key

Google Ngram Viewer shows how "important" and "key" have occurred on timeline