Synonyms for

Solid

Adjective / ˈsɑ:lʌd / Another word for solid — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

firm and stable in shape; not liquid or fluid

Synonyms & similar words

satisfying firm hollow upstanding solidness hearty substantial square unanimous whole liquid strong firm hard dense compact strong sturdy stable fixed unyielding resolute unwavering steady robust powerful substantial thick massive impenetrable indestructible invincible

Synonyms by register

Formal

firm substantial compact dense stable

Informal

strong tough sturdy hefty

Literary

steadfast unwavering resolute

Antonyms

liquid gaseous fluid loose unstable weak hollow

Common collocations

  • solid ground
  • solid foundation
  • solid object
  • solid advice
  • solid gold
  • solid evidence
  • solid state

Word family

noun solidity
adjective solid
adverb solidly

Usage note

As an adjective, 'solid' can refer to a state of matter, a physical object's consistency, or something dependable and well-supported. Avoid using it informally for 'very good' or 'excellent' unless the context is clearly casual.

Compare "solid" with another word →

Example sentences

  1. The rock was so solid, I couldn't break it with my hammer.
  2. The cake was solid and didn't fall apart when I cut it.
  3. The foundation of the building was very solid and kept it from collapsing.
  4. The ice cream was so soft that it wasn't solid.
  5. The argument was solid and made sense.

Quotes

  • Success is not built on success. It's built on failure. It's built on frustration. Sometimes it's built on catastrophe. - Sumner Redstone
  • I am a rock. I am an island. - Simon & Garfunkel
  • A person who never made a mistake never tried anything new. - Albert Einstein

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