# payload

/ˈpeɪˌɫoʊd/ (US) · /pˈeɪləʊd/ (UK)

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

## Senses

### 1. transport cargo

noun · CEFR B2

the total weight of passengers and goods that a plane or ship carries to make money.

For teachers: the portion of a vehicle's load, such as passengers or cargo, that generates revenue.

- The airline had to reduce the payload to save fuel on the long flight.
- The new transport aircraft was designed to maximise its payload while maintaining the ability to land on relatively short, unpaved runways.

### 2. rocket or missile contents

noun · CEFR C1 · Technical

the satellite or explosive part that a rocket or missile carries into space or to a target.

For teachers: the functional part of a rocket, missile, or spacecraft that is not involved in propulsion or guidance, such as a satellite or warhead.

- The rocket successfully carried its satellite payload into orbit.
- Engineers spent months calculating the precise weight of the scientific payload to ensure the rocket could reach the required altitude.

### 3. digital data

noun · CEFR C1 · Technical

the actual message or information in a packet of data, not including the technical routing info.

For teachers: the essential data within a transmission unit, excluding overhead information such as headers or metadata.

- The system checks the payload of each packet for errors.
- By stripping away unnecessary headers, the developers were able to increase the percentage of the payload within each network packet.

### 4. malware action

noun · CEFR C1 · Technical

the part of a computer virus that actually does the damage, like deleting files.

For teachers: the component of a malware program that executes the malicious activity, distinct from the code used for spreading or concealment.

- The virus stayed hidden for weeks before releasing its destructive payload.
- Security researchers identified that the malware's payload was designed to encrypt user files and demand a ransom payment.

## Examples

- The payload of the email contained a hidden virus.
- After the header is processed, the system extracts the payload to display the actual text of the message.
- Security analysts discovered that the malware's payload was designed to encrypt the user's files only after the system had been idle for several hours to avoid detection.

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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.