Find Synonyms

solid Synonyms

Another word for solid

Choosing another word for solid depends on context, so the 46 synonyms and similar words below are separated across 8 exact definitions and ranked by match strength.
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• adjective (Context 1)

Firm and stable in shape; not liquid or fluid, and not hollow or containing spaces or gaps.

Usage Example

"Wait until the melted chocolate cools and becomes hard before removing it from the mold."

Strongest
hard
firm
dense
Strong
compact
rigid
stiff
unyielding
frozen

• adjective (Context 2)

Dependable, reliable, or financially sound; of good and substantial quality.

Usage Example

"The research team presented a sound argument supported by decades of empirical data."

Strongest
sound
dependable
reliable
Strong
strong
substantial
stable
sturdy
robust
trustworthy
convincing

• adjective (Context 3)

Having the same substance, color, or material throughout; uniform and unpatterned.

Usage Example

"The antique dining table is crafted from pure oak rather than a thin veneer."

Strongest
pure
uniform
Strong
plain
unpatterned
genuine
unadulterated
homogeneous

• adverb (Context 4)

Without spaces, gaps, or interruptions; completely or continuously.

Usage Example

"The popular downtown restaurant is booked completely for the entire holiday weekend."

Strongest
completely
fully
Strong
entirely
continuously
through and through
packed

• adjective (Context 5)

Continuous and uninterrupted for a specified period of time.

Usage Example

"After traveling all day, she slept for ten uninterrupted hours."

Strongest
uninterrupted
continuous
straight
unbroken
Strong
consecutive
nonstop

• noun (Context 6)

A three-dimensional geometric figure or body having length, breadth, and thickness, such as a cube, sphere, or pyramid.

Usage Example

"A regular polyhedron is a geometric polyhedron whose faces are all identical regular polygons."

Strong
polyhedron

• adjective (Context 7)

Having three dimensions (length, breadth, and thickness); relating to three-dimensional geometric figures.

Usage Example

"The architecture students began the semester by studying three-dimensional geometry and spatial modeling."

Strongest
three-dimensional
Strong
cubic
volumetric
spatial

• noun (Context 8)

A generous favor or helpful act performed for someone (slang, usually in the phrase 'do someone a solid').

Usage Example

"Could you do me a favor and cover my afternoon shift this Friday?"

Strongest
favor
good turn
Strong
kindness
service

Opposites of solid

The opposite of solid shifts depending on context. Common opposites include:

liquid
fluid
gas
plane
hollow
flimsy
two-dimensional
gaseous
See all opposites of solid

Cite this Entry


Wordmom. (2026). Synonyms for Solid. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/solid
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