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Definitions

fundamental

[fuhn-duh-men-tl] / ˌfʌn dəˈmɛn tl /
ADJECTIVE
basic, important
Synonyms
STRONGEST
central constitutional crucial elemental elementary essential indispensable integral intrinsic major necessary paramount principal radical significant structural theoretical underlying vital
STRONG
bottom cardinal first key organic original primary prime primitive requisite supporting
WEAK
axiological axiomatic basal bottom-line constitutive foundational grassroots meat-and-potatoes primordial rudimentary substratal substrative sustaining underived
Antonyms
STRONGEST
accessory auxiliary extrinsic inessential insignificant learned least lesser minor needless nonessential secondary trivial unimportant unnecessary
WEAK
additional advanced extra subordinate
NOUN
basic, essential part
Synonyms
STRONGEST
bottom line component cornerstone element factor foundation law principle
STRONG
ABCs axiom basis constituent guts heart nitty-gritty rudiment rule theorem
WEAK
brass tacks coal-and-ice principium rock bottom sine qua non
Antonyms
STRONG
cowardice fear
WEAK
addition auxiliary extra subordinate trivia

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

However, Tiller says there is a "fundamental issue with the technology" which is designed to predict text based on language patterns and is now being used by the public for health advice.

From BBC • Apr. 18, 2026

In highlighting the plasticity of bacterial domains, the study advances fundamental knowledge of how gene transfer occurs between bacterial cells and offers an important clue to understanding how AMR occurs.

From Science Daily • Apr. 17, 2026

Whether you are a veteran investor, a novice or a trader, it is useful to be reminded of fundamental principles that can help you to stay disciplined as you build wealth.

From MarketWatch • Apr. 17, 2026

As Barron’s reported on Wednesday, the fundamental problems that have dragged down the sector remain.

From Barron's • Apr. 16, 2026

For the alchemists, including Boyle and Newton, the fundamental enterprise was one of transmuting one substance into another.

From "The Invention of Science" by David Wootton

Vocabulary lists containing fundamental

The Universal Declaration of Human Rights (1948)

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Mahatma Gandhi's "Quit India" Speech

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Vocabulary from "Community is the 'killer app' missing from virtual reality" by Dmitri Williams

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