Included below are past participle and present participle forms for the verb solidarize which may be used as adjectives within certain contexts. Of an item that can be grabbed, having a texture, and usually firm. Unlike a liquid or a gas.

What type of word is solidify?

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.

What is the adjective form of Harden?

inured; toughened: a hardened trooper. rigid; unyielding: a hardened attitude.