Synonyms of the word

spelunk

• n. (obsolete) A cave, cavern or grotto.
• v. To explore caves.

cave

• n. A large, naturally-occurring cavity formed underground, or in the face of a cliff or a hillside.
• n. A hole, depression, or gap in earth or rock, whether natural or man-made.
• n. A storage cellar, especially for wine or cheese.
• n. A place of retreat, such as a man cave.
• n. (caving) A naturally-occurring cavity in bedrock which is large enough to be entered by an adult.
• n. (nuclear physics) A shielded area where nuclear experiments can be carried out.
• n. (drilling, uncountable) Debris, particularly broken rock, which falls into a drill hole and interferes…
• n. (mining) A collapse or cave-in.
• n. (figuratively, also slang) The vagina.
• n. (slang, politics, often "Cave") A group that breaks from a larger political party or faction on a particular…
• n. (obsolete) Any hollow place, or part; a cavity.
• v. To surrender.
• v. To collapse.
• v. To hollow out or undermine.
• v. To engage in the recreational exploration of caves; to spelunk.
• v. (mining) In room-and-pillar mining, to extract a deposit of rock by breaking down a pillar which had been…
• v. (mining, obsolete) To work over tailings to dress small pieces of marketable ore.
• v. (obsolete) To dwell in a cave.
• interj. (Britain, school slang) look out!; beware!

explore

• v. (intransitive, obsolete) To seek for something or after someone.
• v. (transitive) To examine or investigate something systematically.
• v. (transitive) To travel somewhere in search of discovery.
• v. (intransitive, medicine) To examine diagnostically.
• v. (transitive) To (seek) experience first hand.
• v. (intransitive) To be engaged exploring in any of the above senses.
• v. (intransitive) To wander without any particular aim or purpose.
• v. (transitive) To seek sexual variety, to sow one's wild oats.
• n. (colloquial) An exploration; a tour of a place to see what it is like.