spare-time activity

Definitions of spare-time activity
1

n an auxiliary activity

Synonyms:
avocation, by-line, hobby, pursuit, sideline
Types:
spelaeology, speleology
the pastime of exploring caves
Type of:
interest, pastime, pursuit
a diversion that occupies one's time and thoughts (usually pleasantly)

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.