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Synonyms

solidify

American  
[suh-lid-uh-fahy] / səˈlɪd əˌfaɪ /

verb (used with object)

solidified, solidifying
  1. to make solid; make into a hard or compact mass; change from a liquid or gaseous to a solid form.

  2. to unite firmly or consolidate.

  3. to form into crystals; make crystallized.


verb (used without object)

solidified, solidifying
  1. to become solid.

  2. to form into crystals; become crystallized.

solidify British  
/ səˈlɪdɪˌfaɪ /

verb

  1. to make or become solid or hard

  2. to make or become strong, united, determined, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • nonsolidified adjective
  • nonsolidifying adjective
  • oversolidify verb (used with object)
  • resolidify verb
  • solidifiability noun
  • solidifiable adjective
  • solidifiableness noun
  • solidification noun
  • solidifier noun
  • unsolidified adjective

Etymology

Origin of solidify

From the French word solidifier, dating back to 1790–1800. See solid, -ify

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Officials nevertheless supported the deal, hoping it would solidify Taiwan’s standing with Washington.

From The Wall Street Journal • Mar. 23, 2026

Their findings, presented at a major visualization science conference, solidify Schrödinger's framework by showing that these core color qualities arise from the internal structure of the color system itself.

From Science Daily • Feb. 23, 2026

But the official unveiling of the slate would further solidify just how grueling the climb could be for USC next season.

From Los Angeles Times • Jan. 27, 2026

If she’s in the midst of cognitive decline, but not fully out of it, there’s still time for her to solidify a legal plan.

From MarketWatch • Jan. 26, 2026

It was very easy for the pure, fine material to come together, but extremely difficult for the heavy, turbid material to solidify.

From "Cosmos" by Carl Sagan