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

The Republican National Committee has solidified Iowa's place at the front of the 2028 presidential calendar, Republican Party of Iowa Chair Jeff Kaufmann said. — Brianne Pfannenstiel, Des Moines Register, 10 Sep. 2026

More exchanges at all levels between China and the United States are another low-cost way of solidifying a framework of strategic stability. — Da Wei, Foreign Affairs, 7 Sep. 2026

As the season starts to enter its final stretch, the victory helps the Lions solidify a potential playoff spot. — Kyle Foley, The Orlando Sentinel, 6 Sep. 2026

Inception, still one of Nolan’s definitive works, solidified his signature blend of heady ideas within a popcorn framework. — Declan Gallagher, Entertainment Weekly, 3 Sep. 2026