English dictionary, thesaurus, translations & etymology
FreeDict.com
adj C1 Advanced Uncommon

rudimentary

roo-dih-MEHN-tuh-ree

Rudimentary (adj) means Basic or undeveloped; existing only in a simple or early form. Example: “The clinic had only rudimentary equipment, but it was enough for basic checkups.”

adj
1
Basic or undeveloped; existing only in a simple or early form.
"The clinic had only rudimentary equipment, but it was enough for basic checkups."
"His rudimentary grasp of French got him through the trip, just about."

How to use rudimentary

Learner’s notes

In plain EnglishBasic, simple, or not fully developed — the starting point rather than the finished version.

Common mistake

Not the same as "elementary" (easy to understand); rudimentary describes something undeveloped or bare-bones, which can still be difficult.

Common pairings
rudimentary knowledge rudimentary skills rudimentary equipment

Word forms

more rudimentary comparative, rudimentaries plural, most rudimentary superlative

Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “rudimentary” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

The clinic had only _____ equipment, but it was enough for basic checkups.

Etymology

From rudiment plus the adjective ending -ary; rudiment traces back to Latin rudis, "raw" or "unworked."

Origin: Latin

Rhymes for rudimentary

See all rhymes for rudimentary →

Frequently asked questions

What does “rudimentary” mean?

The word “rudimentary” means basic or undeveloped; existing only in a simple or early form. In plain terms, basic, simple, or not fully developed — the starting point rather than the finished version.

How do you pronounce “rudimentary”?

“Rudimentary” is pronounced roo-dih-MEHN-tuh-ree (/ˌɹuːdɪˈmɛntəɹi/ in IPA).

How do you use “rudimentary” in a sentence?

Here is “rudimentary” used in a sentence: “The clinic had only rudimentary equipment, but it was enough for basic checkups.”

What part of speech is “rudimentary”?

“Rudimentary” is an adjective.

Where does the word “rudimentary” come from?

The word “rudimentary” comes from Latin. From rudiment plus the adjective ending -ary; rudiment traces back to Latin rudis, "raw" or "unworked.".

Is “rudimentary” a common word?

“Rudimentary” is an uncommon word in modern English, usually learned at around the C1 level.

Definitions: FreeDict original editorial