adj

rudimentary

roo-dih-MEHN-tuh-ree

adj

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

more rudimentary comparative, rudimentaries plural, most rudimentary superlative

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

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

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