Synonyms of the word

cavernous

• adj. resembling a cavern; vast.
• adj. having many caverns.

erectile

• adj. Capable of being raised to an upright position.
• adj. Of or relating to tissue capable of filling with blood and becoming rigid.

expansive

• adj. Able to be expanded.
• adj. Comprehensive in scope or extent.
• adj. Talkative and sociable.
• adj. (mathematics) Exhibiting expansivity.

hollow

• n. A small valley between mountains.
• n. A sunken area or unfilled space in something solid; a cavity, natural or artificial.
• n. (US) A sunken area.
• n. (figuratively) A feeling of emptiness.
• v. (transitive) to make a hole in something; to excavate.
• adj. (of something solid) Having an empty space or cavity inside.
• adj. (of a sound) Distant, eerie; echoing, reverberating, as if in a hollow space; dull, muffled; often low-pitched.
• adj. (figuratively) Without substance; having no real or significant worth; meaningless.
• adj. (figuratively) Insincere, devoid of validity; specious.
• adj. concave; gaunt; sunken.
• adj. (gymnastics) pertaining to hollow body position.
• adv. (colloquial) Completely, as part of the phrase beat hollow or beat all hollow.
• v. To urge or call by shouting; to hollo.
• interj. Alternative form of hollo.