Synonyms of solidify

solidify

verb

sə-ˈli-də-ˌfī 

1

as in to freeze

to become physically firm or solid

water solidifying into ice

Synonyms & Similar Words

• freeze
• harden
• stiffen
• congeal
• concrete
• indurate
• firm (up)
• set
• crystallize
• gel
• coagulate
• thicken
• encrust
• cake
• gelatinize
• rigidify
• jell
• calcify
• petrify
• ossify
• callus
• clot
• gelate
• temper
• anneal
• jelly
• case-harden

Antonyms & Near Antonyms

• soften
• liquefy
• dissolve
• melt
• thaw
• fuse
• flux
• smelt
• unfreeze
• deliquesce

2

as in to form

to take on a definite form

my ideas on this topic are just starting to solidify

Synonyms & Similar Words

• form
• crystallize
• connect
• shape (up)
• jell
• combine
• join
• coalesce
• cohere
• unite
• unify
• fuse
• couple
• associate
• link (up)
• conjugate
• conjoin

Antonyms & Near Antonyms

• break down
• decay
• decompose
• disintegrate

Example Sentences

Recent Examples of solidify

Wall Street’s losses solidified in the afternoon when oil prices accelerated upward. — Stan Choe, Los Angeles Times, 17 Aug. 2026

In addition to providing free publicity for the films themselves, memes help to solidify an actor’s star power, influence and ubiquity in popular culture. — David MacK, CNN Money, 14 Aug. 2026

The revisions by Takaichi's government to the antiquated law is meant to solidify the principle of the crucial imperial bloodline but pushes aside the emperor’s daughter. — ABC News, 13 Aug. 2026

As the movie goes on, and the invasion which was expected to be over after a few days drags into months and years, the horror of war solidifies the couple’s commitment both to each other and the country. — Leslie Felperin, HollywoodReporter, 13 Aug. 2026