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📕 rednote ID(小红书号)：3881567312

Upgrade Definition, Usage, and Examples (2 meaning)

Meaning 1：improve (upgrade)

upgrade 🔊

/ʌpˈɡreɪd/

vt.

To make something better, usually by installing a new version or adding better parts.

Upgrade computer RAM installation close-up

improve 🔊

➕

/ɪmˈpruːv/

vt.

To improve the quality, performance, or capability of something by replacing or adding components or installing a newer version.

📁 Category：Technological Inventions 🔖 Level：Intermediate

📘 Details & Usage

📖 Root Explanation

From 'up' (upward) + 'grade' (step/degree), meaning to raise to a higher level.

💡 Mnemonic

Think of 'up' + 'grade' = climbing up a grade (step) to a better version.

📖 Example

I need to upgrade my laptop's RAM so it can run the new design software smoothly. 🔊 I need to upgrade my laptop's RAM so it can run the new design software smoothly.

🔗 Collocations

upgrade a system – to improve a computer system

upgrade to a newer version – to move to a more recent version

upgrade the hardware – to replace or add better hardware components

🔄 Synonyms

enhance (vt.) – to increase or improve the quality, value, or effectiveness of something

improve (vt.) – to make something better than it was before

update (vt.) – to make something more modern or current, often by adding new features

🚫 Antonyms

downgrade (vt.) – to reduce to a lower level or standard

worsen (vt.) – to make something worse

🌱 Derivatives

upgradable (adj.) – capable of being upgraded

upgrader (n.) – a person who upgrades something

upgraded (adj.) – having been improved or enhanced

📖 Cultural Story

Originates from 'up' + Latin 'gradus' (step). Used in tech (software upgrades) and travel (seat upgrades) as a metaphor for moving to a higher level.

Meaning 2：upgrade seat (upgrade)

upgrade 🔊

/ʌpˈɡreɪd/

vt.

To get a better seat or room than what you originally booked, especially when traveling.

upgrade seat 🔊

➕

/ʌpˈɡreɪd siːt/

vt.

To receive or obtain a more luxurious or higher-quality seat, room, or service than originally booked, often without extra cost.

📁 Category：Transportation & Travel 🔖 Level：Intermediate

📘 Details & Usage

📖 Example

The airline offered to upgrade us to business class for free because our flight was overbooked. 🔊 The airline offered to upgrade us to business class for free because our flight was overbooked.

🔗 Collocations

upgrade a flight – to move to a better class on a flight

upgrade a hotel room – to get a nicer room in a hotel

get a free upgrade – to receive an upgrade without paying extra

🔄 Synonyms

promote (vt.) – to move someone to a higher position or grade (used in travel contexts like 'promote to first class')

elevate (vt.) – to raise to a higher level or status

enhance (vt.) – to improve the quality of (e.g., enhance your travel experience)

🚫 Antonyms

downgrade (vt.) – to move to a lower class or standard

demote (vt.) – to reduce in rank (less common for seats)

🌱 Derivatives

upgradable (adj.) – capable of being upgraded

upgrader (n.) – a person who upgrades something

upgraded (adj.) – having been improved or enhanced