fundamental 1 of 2

Definition of fundamentalnext

fundamental

2 of 2

noun

Synonym Chooser

How is the word fundamental different from other adjectives like it?

Some common synonyms of fundamental are cardinal, essential, and vital. While all these words mean "so important as to be indispensable," fundamental applies to something that is a foundation without which an entire system or complex whole would collapse.

fundamental principles of algebra

When might cardinal be a better fit than fundamental?

The words cardinal and fundamental can be used in similar contexts, but cardinal suggests something on which an outcome turns or depends.

a cardinal rule in buying a home

When would essential be a good substitute for fundamental?

Although the words essential and fundamental have much in common, essential implies belonging to the very nature of a thing and therefore being incapable of removal without destroying the thing itself or its character.

conflict is essential in drama

When could vital be used to replace fundamental?

The words vital and fundamental are synonyms, but do differ in nuance. Specifically, vital suggests something that is necessary to a thing's continued existence or operation.

cut off from vital supplies

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of fundamental
Adjective
Paris was burning and the record-breaking heat was impossible to ignore, so buyers came away asking more fundamental questions. Rhonda Richford, Footwear News, 29 June 2026 Its conduct since the MoU was signed shows no fundamental change in behavior. Hussain Abdul-Hussain, The Orlando Sentinel, 29 June 2026 While food brands like Nestle and Conagra roll out special products specifically for GLP-1 users to capture this emerging market, Rahal sees a fundamental difference in how people view trends around food, particularly diet programs designed for people to lose weight. Sasha Rogelberg, Fortune, 28 June 2026 Its fundamental charm lies in its playground quality, in its capacity to speak not to our practical adult hopes but to our simple wish to belong. Lillian Fishman, New Yorker, 27 June 2026 See All Example Sentences for fundamental
Recent Examples of Synonyms for fundamental
Adjective
  • From bold color contrast to sheer layering and retro prints, caftans can be styled far beyond a basic beach coverup.
    Katherine J Igoe, InStyle, 2 July 2026
  • The lawsuit comes as consumers report struggling to afford basic necessities.
    Audrey McGlinchy, Los Angeles Times, 1 July 2026
Noun
  • But whether that axiom applies to the quadrennial World Cup tournament is a different question.
    John A. Tures, The Conversation, 26 June 2026
  • Furthermore, this equality isn’t just a formal, mathematical axiom.
    New York Times, New York Times, 9 June 2026
Noun
  • The solution is to realize the importance of being rooted in the divine essence of God that has been given to everyone.
    Voice of the People, New York Daily News, 28 June 2026
  • In essence, Star Fox is the video game version of Alien or Terminator.
    Will Greenwald, PC Magazine, 27 June 2026
Adjective
  • The outpost may resemble something of a rudimentary city on the moon.
    Eric Lagatta, USA Today, 1 July 2026
  • The Athletic’s Michael Cox gave a detailed breakdown that walked through the tactical hypotheses, but there might be a more rudimentary explanation for this trend.
    Mark Carey, New York Times, 28 June 2026
Noun
  • That line is more than a practical outdoor maxim.
    Jeff Fromm, Forbes.com, 23 June 2026
  • But that’s the world’s most popular game in 2026, intent on testing the old coaching maxim that failing to prepare is preparing to fail.
    Luke Cyphers, Sportico.com, 11 June 2026
Noun
  • Teams that are not ready solve yesterday's problems and call it strategy.
    Tracy Lawrence, Forbes.com, 2 July 2026
  • The pool did not open Saturday with the city's other outdoor pools after mechanical problems delayed the start of the season for the second consecutive year.
    Hannah Kliger, CBS News, 2 July 2026
Adjective
  • Police were called to the elementary and middle school, and authorities are now working to identify the deceased individual.
    Landon Mion, FOXNews.com, 1 July 2026
  • Biblical texts on the list include a picture-book adaptation of the David and Goliath story for elementary students and passages about Adam and Eve for older students.
    Charles J. Russo, The Conversation, 29 June 2026
Noun
  • In the southern Russian city of Krasnodar, which borders Crimea, another video shows a man filling up a container in the back of his car while two women berate him for breaking the rules.
    Clare Sebastian, CNN Money, 6 July 2026
  • The Marlins tacked on two runs in the second on Lopez’s ground-rule double and Hicks’ sacrifice fly.
    Miami Herald, Miami Herald, 6 July 2026

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Cite this Entry

“Fundamental.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fundamental. Accessed 7 Jul. 2026.

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