What does "speedcubing" mean?

The activity of solving a Rubik's Cube as quickly as possible

What is a synonym for "speedcubing"?

Common synonyms include: cubing.

noun, verb

noun, verb ·Rare ·Advanced level

Noun

1
The activity of solving a Rubik's Cube as quickly as possible uncountable
"There's a speedcubing tournament this weekend."

Verb

1
present participle and gerund of speedcube form-of, gerund, participle, present

"There's a speedcubing tournament this weekend."

* From Rubik's cube. * speed + cubing