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Definition of spelunker
spelunker
/spɪˈlʌŋ.kɚ/
spe · lun · ker
Plural:spelunkers
spelunker Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Rare
Syllables
3
spelunker Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
North American A person who explores and studies caves, especially as a hobby or recreational pastime.
Example
"The experienced spelunker checked her headlamp and ropes before descending into the limestone cavern."
Synonyms
View all synonyms for spelunkerWord Nuance & Usage
Among experienced cave explorers in the United States, "caver" is the preferred term for a trained, safety-conscious practitioner, whereas "spelunker" is sometimes used disparagingly for an unprepared amateur.
• Rhymes for spelunker
Word Origin & Etymology
Coined in American English in the late 1930s by Roger W. Brucker and others from Latin spelunca ('cave, cavern'), which itself derives from Ancient Greek spelynx.
Cite this Entry
Wordmom. (2026). Definition of Spelunker. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/spelunker