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📕 rednote ID(小红书号)：3881567312

Solid Meaning: Reliable, Firm, and Trustworthy Usage (2 meaning)

Meaning 1：physically hard and firm (solid)

solid 🔊

/ˈsɒlɪd/

adj.

Something is solid if it is firm and keeps its shape, unlike a liquid or gas.

Solid rock texture close-up showing hard and firm physical property

physically hard and firm 🔊

➕

/ˈfɪzɪkli hɑːrd ænd fɜːrm/

adj.

Refers to a substance that is not a liquid or gas, maintaining its shape due to strong molecular bonds.

📁 Category：Objects & Materials 🔖 Level：Elementary

📘 Details & Usage

📖 Root Explanation

Derived from Latin 'solidus' meaning firm, whole, and dense, via Old French.

💡 Mnemonic

Think of a solid stone block: hard to break, sturdy, and dependable.

📖 Example

The sandcastle my little brother built was surprisingly solid and didn't collapse in the wind. 🔊 The sandcastle my little brother built was surprisingly solid and didn't collapse in the wind.

🔗 Collocations

solid ground – Firm, stable land not prone to shifting

solid mass – A compact and dense body of material

solid object – An object that retains its shape under normal conditions

🔄 Synonyms

hard (adj.) – Firm and not easily broken or bent

rigid (adj.) – Not flexible or easily bent

firm (adj.) – Having a solid, unyielding surface or structure

🚫 Antonyms

liquid (adj.) – Flowing freely like water

gaseous (adj.) – Existing in a state like air, not solid or liquid

soft (adj.) – Easily deformed, yielding to pressure

🌱 Derivatives

solidify (v.) – To make or become solid

solidity (n.) – The state or quality of being solid

solidly (adv.) – In a solid, firm manner

📖 Cultural Story

From Latin solidus, meaning firm; used in science for state of matter and metaphorically for reliability and sound reasoning.

Meaning 2：reliable and trustworthy (solid)

solid 🔊

/ˈsɒlɪd/

adj.

A person is solid if they are reliable and good at their job; an idea is solid if it is based on good reasoning.

Solid person helping with books in library representing reliability

reliable and trustworthy 🔊

➕

/rɪˈlaɪəbəl ænd ˈtrʌstˌwɜːrði/

adj.

Describes a person who is dependable, consistent, and competent; also used for arguments that are well-founded and logical.

📁 Category：Social Roles 🔖 Level：Intermediate

📘 Details & Usage

📖 Example

My best friend is a solid person; she always keeps her promises and helps me when I need it. 🔊 My best friend is a solid person; she always keeps her promises and helps me when I need it.

🔗 Collocations

solid basis – A strong and reliable foundation for an argument or plan

solid reputation – A trustworthy and consistent public image

solid plan – A well-conceived and practical course of action

🔄 Synonyms

reliable (adj.) – Consistently good in quality or performance; able to be trusted

dependable (adj.) – Trustworthy and reliable

trustworthy (adj.) – Able to be relied on as honest or truthful

🚫 Antonyms

unreliable (adj.) – Not able to be relied upon

shaky (adj.) – Not firm or stable; likely to fail or collapse

flimsy (adj.) – Lacking solidity or strength; unconvincing

🌱 Derivatives

solidly (adv.) – In a reliable and consistent manner

solidity (n.) – The quality of being reliable and well-founded