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

Kissinger said his goal was to solidify international successes that had been accomplished in secret. — USA Today, 4 Aug. 2026

The expensive-looking calf-hair is enough to make these a must-have, but the contrasting red trim and laces take it a step further, solidifying them as a true standout. — Kaelin Dodge, InStyle, 3 Aug. 2026

The left-hander will bolster a rotation already expecting Blake Snell and Tyler Glasnow to return as the Dodgers solidify their status as World Series favorites once again. — Maddie Lee, Los Angeles Times, 2 Aug. 2026

However, the latter only solidified the rumors for fans, as the color white has long been associated with mourning in Chinese traditions. — Carly Thomas, HollywoodReporter, 1 Aug. 2026