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

Tycho Crater is visible in the lower region of the lunar disk close to the shadow, while bright ejecta rays of reflective material brighten the darker lunar seas, where lava solidified to form basaltic plains billions of years ago. — Anthony Wood, Space.com, 28 Aug. 2026

His latest remarks further solidify the central bank's hawkish position. — CNBC, 28 Aug. 2026

During the August primary runoff election, voters approved a ballot measure that solidifies the state's voter ID laws in the Oklahoma Constitution. — Josh Kelly, Oklahoman, 28 Aug. 2026

Bolsonaro’s younger brothers Carlos and Eduardo Bolsonaro would also go on to pursue political careers, solidifying a political dynasty for the family. — Encyclopedia Britannica, 27 Aug. 2026