rudimentary
adjective
ru·di·men·ta·ry
ˌrü-də-ˈmen-tə-rē 
-ˈmen-trē
1
: consisting in first principles : fundamental
had only a rudimentary formal education—
D. J. Boorstin
D. J. Boorstin2
: of a primitive kind
the equipment of these past empire-builders was rudimentary—A. J. Toynbee
A. J. Toynbee3
: very imperfectly developed or represented only by a vestige
the rudimentary tail of a hyrax
Examples of rudimentary in a Sentence
Because now, every schlemiel with a pair of mirrored sunglasses and a rudimentary grasp of the rules of poker thinks he can play cards with the pros.
—A. J. Jacobs, New York Times Book Review, 8 May 2005
Despite the rudimentary nature of its instruments—an octant, a chronometer and a level—the Lewis and Clark Expedition was a triumph for science and natural history.
—Daniel J. Boorstin, U.S. News & World Report, 11 July 1994
A few were hopeless imbeciles, unable to comprehend more than the rudimentary requirements of filling their bellies when food was placed before them …
—Edgar Rice Burroughs, The Monster Men, 1929
This class requires a rudimentary knowledge of human anatomy.
When baseball was in its rudimentary stages, different teams played by different rules.
Some insects have only rudimentary wings.
A. J. Jacobs, New York Times Book Review, 8 May 2005
Despite the rudimentary nature of its instruments—an octant, a chronometer and a level—the Lewis and Clark Expedition was a triumph for science and natural history.
—Daniel J. Boorstin, U.S. News & World Report, 11 July 1994
A few were hopeless imbeciles, unable to comprehend more than the rudimentary requirements of filling their bellies when food was placed before them …
—Edgar Rice Burroughs, The Monster Men, 1929
This class requires a rudimentary knowledge of human anatomy.
When baseball was in its rudimentary stages, different teams played by different rules.
Some insects have only rudimentary wings.
Recent Examples on the Web
And no, this doesn't mean turning the office into a place full of rudimentary and shallow perks.
—Julian Hayes Ii, Forbes.com, 26 May 2025
His projections were rudimentary by today’s standards, but at the time were ahead of the curve.
—David Hill, Rolling Stone, 24 May 2025
At Cruise’s behest, McQuarrie’s stunts imitate the most primitive filmmaking — not the awe-inspiring magic of Georges Méliès but the Lumière brothers’ rudimentary documentation of action.
—Armond White, National Review, 23 May 2025
Hanna-Barbera figured out how to make do with more rudimentary animation, cutting in half the number of original frames per second.
—Brooks Barnes, New York Times, 21 May 2025
See All Example Sentences for rudimentary
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Julian Hayes Ii, Forbes.com, 26 May 2025
His projections were rudimentary by today’s standards, but at the time were ahead of the curve.
—David Hill, Rolling Stone, 24 May 2025
At Cruise’s behest, McQuarrie’s stunts imitate the most primitive filmmaking — not the awe-inspiring magic of Georges Méliès but the Lumière brothers’ rudimentary documentation of action.
—Armond White, National Review, 23 May 2025
Hanna-Barbera figured out how to make do with more rudimentary animation, cutting in half the number of original frames per second.
—Brooks Barnes, New York Times, 21 May 2025
See All Example Sentences for rudimentary
Cite this Entry
“Rudimentary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rudimentary. Accessed 8 Jun. 2025.
Copy CitationKids Definition
rudimentary
adjective
ru·di·men·ta·ry
ˌrüd-ə-ˈment-ə-rē
-ˈmen-trē
2
: very imperfectly developed or represented only by a small part compared to the fully developed form
a rudimentary tail
Medical Definition
rudimentary
adjective
ru·di·men·ta·ry
ˌrüd-ə-ˈment-ə-rē, -ˈmen-trē
: very imperfectly developed or represented only by a vestige
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