firm and stable in shape; not liquid or fluid, strongly built or made of strong materials; not easily broken or destroyed, having three dimensions; not flat

solid as a rock, a solid citizen, a solid hit

solid ground, solid gold, solid food

Formal and Informal Expressions of solid

In different contexts, you can replace 'solid' with suitable alternatives. In a more formal setting, 'firm, stable, strong' is apt. In informal speech or writing, 'hard, rock-solid, bulletproof' is a commonplace synonym.

solid: Explore its Definition & Usage

solid Definition

1firm and stable in shape; not liquid or fluid
2strongly built or made of strong materials; not easily broken or destroyed
3having three dimensions; not flat

Using solid: Examples

Take a moment to familiarize yourself with how "solid" can be used in various situations through the following examples!

Example
The ice had turned solid overnight.
Example
The wall was made of solid concrete.
Example
He has a solid reputation in the industry.
Example
The company's financial position is solid.
Example
The table is made of solid oak.

solid Synonyms and Antonyms

Synonyms for solid

Antonyms for solid

Idioms Using solid

solid as a rock
extremely strong and stable
Example
The foundation of the building is solid as a rock.
a solid citizen
a person who is reliable, trustworthy, and law-abiding
Example
He was known in the community as a solid citizen.
a solid hit
a successful and popular song, movie, or other creative work
Example
Their latest album has several solid hits.

Phrases with solid

solid ground
a firm and stable surface that is not likely to move or give way
Example
After days at sea, it was good to feel solid ground beneath their feet again.
solid gold
made entirely of gold, without any other metals mixed in
Example
The watch was expensive because it was made of solid gold.
solid food
food that is not in liquid form
Example
The baby is now old enough to eat solid food.

Origins of solid

from Latin 'solidus', meaning 'firm, whole'

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Summary: solid in Brief

The term 'solid' [ˈsɑːlɪd] refers to something that is firm and stable in shape, strongly built or made of strong materials, and having three dimensions. It can be used to describe physical objects, reputations, financial positions, and more. Examples include 'The ice had turned solid overnight,' and 'The table is made of solid oak.' Idioms like 'solid as a rock' denote extreme strength and stability, while 'a solid citizen' refers to a reliable and trustworthy person.