verb (used with object), so·lid·i·fied, so·lid·i·fy·ing.

to make solid; make into a hard or compact mass; change from a liquid or gaseous to a solid form.
to unite firmly or consolidate.
to form into crystals; make crystallized.

verb (used without object), so·lid·i·fied, so·lid·i·fy·ing.

to become solid.
to form into crystals; become crystallized.

Origin of solidify

From the French word solidifier, dating back to 1790–1800. See solid, -ify
Related formsso·lid·i·fi·a·bil·i·ty, so·lid·i·fi·a·ble·ness, nounso·lid·i·fi·a·ble, adjectiveso·lid·i·fi·ca·tion, nounso·lid·i·fi·er, nounnon·so·lid·i·fi·ca·tion, nounnon·so·lid·i·fied, adjectivenon·so·lid·i·fy·ing, adjectiveo·ver·so·lid·i·fi·ca·tion, nouno·ver·so·lid·i·fy, verb (used with object), o·ver·so·lid·i·fied, o·ver·so·lid·i·fy··so·lid·i·fi·ca·tion, nounre·so·lid·i·fy, verb, re·so·lid·i·fied, re·so·lid·i·fy·ing.un·so·lid·i·fied, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for solidify

Contemporary Examples of solidify

Historical Examples of solidify

British Dictionary definitions for solidify


verb -fies, -fying or -fied

to make or become solid or hard
to make or become strong, united, determined, etc
Derived Formssolidifiable, adjectivesolidification, nounsolidifier, noun
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

Word Origin and History for solidify

1799 (transitive); 1837 (intransitive), from French solidifier, from Old French solide (see solid (adj.)) + -fier (see -fy). Related: Solidified; solidifying.

Online Etymology Dictionary, © 2010 Douglas Harper