# compounded

/kəmˈpaʊndəd/ (US) · /kɒmpˈaʊndɪd/ (UK)

Source: https://englishreference.com/word/compounded
Updated: 2026-08-08

## Senses

### 1. made of multiple parts

adjective · CEFR C1 · Academic

made of two or more different parts or materials that have been joined together.

For teachers: composed of two or more separate elements; a composite or complex structure resulting from the interaction of multiple parts.

- The new material is a compounded plastic that is both strong and flexible.
- The researcher examined the compounded substance under a microscope to identify how the individual polymers had bonded during the cooling process.

Usage: Often used in technical or scientific contexts to describe materials or chemical mixtures.

### 2. made worse

verb · CEFR B2

to make a difficult situation even worse by adding more problems to it.

For teachers: to increase or intensify a negative situation by adding further complicating factors. Usually used in the passive voice.

- The team's problems were compounded by the fact that their best player was injured.
- The economic crisis was compounded by a sudden rise in oil prices, leaving the government with very few options for recovery.

Usage: Frequently appears in the passive voice ('be compounded by') followed by the cause of the worsening condition.

### 3. calculated with interest

verb · CEFR B2 · Technical

when interest is calculated on both the original money and the interest already earned.

For teachers: to calculate interest on both the principal amount and the accumulated interest from previous periods.

- The interest on your savings account is compounded monthly.
- Because the debt was compounded annually over a decade, the final amount owed was significantly higher than the initial loan.

Usage: Typically used in financial contexts with adverbs like 'monthly', 'annually', or 'daily'.

## Examples

- The problem is compounded by a lack of funding.
- The city's traffic issues are compounded by the fact that several major bridges are currently closed for repairs.
- The economic crisis was compounded by a sudden spike in energy prices, leaving many small businesses unable to cover their basic operating costs during the winter months.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.