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noun B1 Intermediate Common

compound

kom-POWND

Compound (noun) means a fenced or walled area containing a group of buildings, often used for security or living quarters. Example: “The embassy compound was heavily guarded.”

noun
1
A fenced or walled area containing a group of buildings, often used for security or living quarters.
"The embassy compound was heavily guarded."
adjective
1
Made up of two or more parts or elements combined.
""Toothbrush" is a compound word."
verb
1
To combine different elements or ingredients into one substance.
"The pharmacist compounded the medication to the doctor's specifications."
2
To make a problem worse by adding to it.
"Missing the deadline only compounded her stress."
3
(finance) To calculate interest on both the original amount and the interest already earned.
"The savings account compounds interest monthly."

How to use compound

Learner’s notes

In plain EnglishSomething made of combined parts, an enclosed group of buildings, or to make something worse or grow through combined effects.

Common mistake

In finance, "compound interest" means interest earned on interest — different from simple interest, which is calculated only on the original amount.

Common pairings
compound interest compound word compound the problem

Word forms

compounded past tense, compounds plural, compounds singular

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Test yourself on “compound” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

The embassy _____ was heavily guarded.

Etymology

Possibly from Malay kampung, "a group of buildings or village," reshaped over time under the influence of the unrelated English word meaning "to combine," from Latin componere.

Origin: Latin

Related words

Rhymes for compound

See all rhymes for compound →

Frequently asked questions

What does “compound” mean?

The word “compound” means a fenced or walled area containing a group of buildings, often used for security or living quarters. In plain terms, something made of combined parts, an enclosed group of buildings, or to make something worse or grow through combined effects.

How do you pronounce “compound”?

“Compound” is pronounced kom-POWND (/ˈkɑmˈpaʊnd/ in IPA).

How do you use “compound” in a sentence?

Here is “compound” used in a sentence: “The embassy compound was heavily guarded.”

What part of speech is “compound”?

Depending on how it is used, “compound” can be a noun, an adjective and a verb.

Where does the word “compound” come from?

The word “compound” comes from Latin. Possibly from Malay kampung, "a group of buildings or village," reshaped over time under the influence of the unrelated English word meaning "to combine," from Latin componere.

Is “compound” a common word?

“Compound” is a fairly common word in modern English, usually learned at around the B1 level.

How many meanings does “compound” have?

“Compound” has 5 distinct senses listed in this dictionary. The most common is: a fenced or walled area containing a group of buildings, often used for security or living quarters.

What is the difference between a compound and a complex?

A compound is a fenced or walled area enclosing a group of buildings, with the emphasis on the surrounding barrier used for security or living quarters. A complex is a group of connected buildings or facilities serving a shared purpose, without the same emphasis on an enclosing wall or fence.

When should you use compound instead of mixture?

Use compound when two or more parts are combined into a single unified thing, as in the adjective sense of "made up of two or more elements." Use mixture when the separate parts remain distinguishable and are not truly merged.

What are common phrases that use the adjective compound?

As an adjective meaning made up of two or more combined parts, compound appears in fixed phrases such as "compound word," "compound interest," "compound fracture," and "compound sentence." In each, it signals that the thing is built from multiple joined elements.

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Definitions: FreeDict original editorial