Definition of rudimentary
1
: consisting in first principles : fundamental
had only a rudimentary formal education— D. J. Boorstin
2
: of a primitive kind
the equipment of these past empire-builders was rudimentary— A. J. Toynbee
3
: very imperfectly developed or represented only by a vestige
the rudimentary tail of a hyrax
Test Your Vocabulary
Great Words for Scrabble
-
- Which of the following Q-without-U words means the number five in cards or dice?

Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share rudimentary
Time Traveler for rudimentary
The first known use of rudimentary was in 1619
See more words from the same year