# upgrade

/ˈəpˈɡɹeɪd/ (US)

Source: https://englishreference.com/word/upgrade
Updated: 2026-06-19

## Senses

### 1. to improve technology

verb · CEFR B1

to replace a machine, computer program, or part with a newer and better version.

For teachers: to replace an existing software version or hardware component with a more advanced or efficient iteration.

- I need to upgrade my phone because the battery doesn't last all day anymore.
- The IT department decided to upgrade the entire server infrastructure over the weekend to minimise disruption to the company's daily operations.

Usage: Often used as a transitive verb taking the device or software as the direct object.

### 2. to get a better service

verb · CEFR B2

to give someone a better seat, room, or service than the one they paid for.

For teachers: to promote a passenger or guest to a higher class of service or better accommodation, often as a courtesy or for a fee.

- The airline upgraded us to business class because the flight was overbooked.
- Upon arrival, the hotel manager offered to upgrade the couple to a honeymoon suite at no additional cost due to a clerical error with their reservation.

### 3. a better version

noun · CEFR B1

a piece of software or a new part that makes a computer or machine better.

For teachers: an improved component, replacement item, or software patch designed to enhance the performance of a system.

- The latest software upgrade fixed several bugs and made the app much faster.
- The system administrator recommended a memory upgrade to handle the increased processing demands of the new graphic design software.

### 4. an upward slope

noun · CEFR C2 · American English · Technical

a part of a road or track that goes up a hill.

For teachers: an upward grade or incline on a road, railway, or path.

- The old truck struggled to maintain its speed on the steep upgrade.
- Engineers designed the locomotive with extra torque to ensure it could pull heavy freight loads over the mountain's challenging upgrades.

Usage: In this sense, 'upgrade' is a technical term for a physical incline, primarily used in North American engineering contexts.

### 5. moving upwards

adverb · CEFR C2 · American English · Technical

moving in a direction that goes up a slope.

For teachers: moving in an upward direction along a grade or incline.

- The train moved slowly upgrade as it entered the mountain pass.
- The heavy machinery was transported upgrade with the assistance of two secondary towing vehicles to prevent the primary engine from overheating.

## Examples

- I need a memory upgrade for my laptop.
- The airline offered her a free upgrade to business class because the flight was overbooked.
- While the software upgrade promised significant performance gains, the legacy hardware struggled to handle the increased processing demands of the new operating system.

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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.