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
Jellyfish are some of the planet’s oldest creatures, according to the Marine Conservation Society, and have been successful because of their rudimentary biology.
—Irene Wright, Miami Herald, 2 July 2024
Occasionally dipping into rudimentary Czech, which pleased the crowd no end, Mortensen thanked his co-star Vicky Krieps and also took the time to enthuse about Solly McLeod, an up-and-coming young actor who plays the film’s bad guy.
—Damon Wise, Deadline, 28 June 2024
These were originally thought to be rudimentary legs, so the animal was positioned with these structures facing downward.
—Mindy Weisberger, CNN, 24 June 2024
Long ago that business abandoned the site to the elements, leaving just rudimentary structures and a four-story-tall concrete birdhouse made to lure swiftlets whose nests, built with saliva, fetch high prices in China.
—Ryan Weeks, Bloomberg.com, 13 June 2024
See all Example Sentences for rudimentary 
Irene Wright, Miami Herald, 2 July 2024
Occasionally dipping into rudimentary Czech, which pleased the crowd no end, Mortensen thanked his co-star Vicky Krieps and also took the time to enthuse about Solly McLeod, an up-and-coming young actor who plays the film’s bad guy.
—Damon Wise, Deadline, 28 June 2024
These were originally thought to be rudimentary legs, so the animal was positioned with these structures facing downward.
—Mindy Weisberger, CNN, 24 June 2024
Long ago that business abandoned the site to the elements, leaving just rudimentary structures and a four-story-tall concrete birdhouse made to lure swiftlets whose nests, built with saliva, fetch high prices in China.
—Ryan Weeks, Bloomberg.com, 13 June 2024
See all Example Sentences for rudimentary
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'rudimentary.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near rudimentary
Cite this Entry
“Rudimentary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rudimentary. Accessed 15 Jul. 2024.
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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