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

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

This opportunity should be used to create powerful structures—not to solidify existing inefficiencies or build additional bureaucracy and double structures, the joint appeal read. — Roy Stephen Canivel, Footwear News, 1 Sep. 2026

Justin Fields is solidified as Patrick Mahomes’ backup for 2026, and the Chiefs will keep rookie Garrett Nussmeier to protect their seventh-round draft investment. — Kansas City Star, 29 Aug. 2026