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Definition of slacklining
slacklining
/ˈslækˌlaɪ.nɪŋ/
slack · lin · ing
slacklining Lexical Profile
CEFR
B2
Grade
8
Tier
2
Usage
Rare
Syllables
3
slacklining Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A sport and recreational activity in which a participant balances, walks, or performs acrobatic tricks along a suspended length of flat synthetic webbing tensioned between two anchor points.
Example
"On sunny afternoons, the campus quad is filled with students practicing slacklining between the oak trees."
Word Origin & Etymology
Coined in the early 1980s by rock climbers in Yosemite Valley, California, who practiced balancing on slack climbing webbing and parking lot chains during rest days.
Cite this Entry
Wordmom. (2026). Definition of Slacklining. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/slacklining