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

Schumer has long been expected to seek another term at the helm of the chamber’s Democratic caucus, but on Wednesday, the minority leader solidified his intention to lead the party again. — Claire Carter, The Washington Examiner, 1 Oct. 2026

By then, also as part of the agreement, NCDOT and Charlotte would have formed a working group to solidify a final community benefits plan and how much money is needed for each project. — Desiree Mathurin, Charlotte Observer, 1 Oct. 2026

There’s always going to be bad actors, and that’s where like something like the No FAKES Act needs to sort of get solidified and all that by the government. — Corbin Bolies, Variety, 30 Sep. 2026

Since the gas will also escape from molten rock, this provides a measure of when the rock solidified. — Elizabeth Rayne, ArsTechnica, 30 Sep. 2026