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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
Today, nearly ten years after the first super shoe was created, the fundamental materials and design (foam, plate, and midsole geometry) are largely understood and optimized, making meaningful progress difficult. Cory Smith, Outside, 8 Jan. 2026 Over the past decade, AMPAS has undergone a fundamental transformation. Clayton Davis, Variety, 8 Jan. 2026 Rather than settling for a boring black tank, this one is adorned with a contrasting white trim and subtle knit detailing that instantly levels up this fundamental piece. Julia Morlino, Travel + Leisure, 7 Jan. 2026 But the comedians also used those laughs to reveal the fundamental absurdity of violence and conflict. Literary Hub, 7 Jan. 2026 See All Example Sentences for fundamental
Recent Examples of Synonyms for fundamental
Adjective
  • At that point, the operator would recite the most intimate details of a patient’s health history to hook her before launching into a few basic screening questions.
    Literary Hub, Literary Hub, 12 Jan. 2026
  • Ross argued that allowing local police to provide basic crowd control — rather than restricting coordination — could have reduced risks during recent confrontations.
    Stepheny Price, FOXNews.com, 11 Jan. 2026
Noun
  • These shows were built around heady concepts like a sequence, an axiom or the work of Pablo Picasso.
    Heather Bushman, IndyStar, 17 Nov. 2025
  • His preference would be to find simpler axioms for quantum mechanics — intuitive principles that would let theorists re-derive the theory in a new form altogether.
    Daniel Garisto, Quanta Magazine, 7 Nov. 2025
Noun
  • In this poetry collection, Vilariño strips poetry to its essence—distilling love, loss, and the inexorable passage of time into spare yet searing verses.
    Literary Hub, Literary Hub, 10 Nov. 2025
  • Stripped to their symbolic essence, the erotics of Frankenstein are about the body as meat, electrified by carnal pleasure and unencumbered by the soul.
    Katie Rife, Vulture, 9 Nov. 2025
Adjective
  • There, everyone comes and goes on longboats that have awnings, a row of rudimentary seats, and a small outboard motor.
    Stanley Stewart, Travel + Leisure, 10 Jan. 2026
  • The medical system provides only the most rudimentary care, and hospitals have little to no medicine.
    Joseph J. Gonzalez, Fortune, 8 Jan. 2026
Noun
  • That medical maxim, taught to physicians for ages, would serve Florida well if the Legislature were to adopt it.
    Sun Sentinel Editorial Board, Sun Sentinel, 3 Jan. 2026
  • Lobby or be lobbied over is a maxim local governments continue bringing to the table today.
    Andrew Graham, Sacbee.com, 22 Dec. 2025
Noun
  • Her main problem was with the MAGA movement in general, believing that her negative interactions with MAGA protesters reflected the hearts and minds of the movement more broadly.
    Brady Knox, The Washington Examiner, 7 Jan. 2026
  • No, a Super Bowl run isn't likely for this team, but Pittsburgh does have a bit of a unique offense that could give defenses that rely on their pass rush problems.
    Austin Mock, New York Times, 7 Jan. 2026
Adjective
  • The educators at elementary, middle and high schools across the district received honorary titles as chairs of teaching excellence for one year in their respective subjects.
    Lina Ruiz, Fort Worth Star-Telegram, 9 Jan. 2026
  • Tutoring elementary students is one of the best opportunities to build meaningful community relations, program officials say.
    Regina Elling, San Diego Union-Tribune, 6 Jan. 2026
Noun
  • While Glaser tones it down on stage, the same rules don’t apply for the red carpet.
    Emily St. Martin, Oc Register, 12 Jan. 2026
  • The Hollywood Foreign Press Association, which determined each year's nominees until they were deposed as the deciding committee in 2022 in the wake of a scandal, revised its rules around animation in 2014.
    Ryan Coleman, Entertainment Weekly, 12 Jan. 2026

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Cite this Entry

“Fundamental.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fundamental. Accessed 12 Jan. 2026.

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