127 entries under activity topic. ×

8
preoccupy(verb, join, catch, interest, arrest)
8
unavailable(adjective, engaged, possession, business)
7
humming(adjective, active, adverb, movement)
7
laboured(adjective, business, characteristic)
7
on the job(expression, idiom, business, characteristic)
7
swarming(adjective, characteristic, full, business)
7
teeming(adjective, characteristic, full, business)
6
alive(adjective, movement, mark, energetic)
6
amuse(verb, business, action, interest)
6
entertain(verb, business, action, interest)
6
overdone(adjective, lavish, complicated, business)
6
restless(adjective, excited, active, nervous)
5
absorbed in(expression, adjective, idiom, feature)
5
animated(adjective, energetic, active, keen, intense)
5
employed in(expression, adjective, idiom, feature)
5
engaged in(expression, adjective, idiom, feature)
5
engrossed in(expression, adjective, idiom, feature)
5
hard at work on(expression, adjective, idiom, feature)
5
immersed in(expression, adjective, idiom, feature)
5
keep busy(expression, verb, join, catch, interest)
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APASmart Define. (2015). busy thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/busy/thesaurus/synonyms
ChicagoSmart Define. 2015. "busy thesaurus" https://smartdefine.org/busy/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, busy thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/busy/thesaurus/synonyms>.
MLASmart Define. "busy thesaurus" 19 December 2015. Web. 26 September 2026. <https://smartdefine.org/busy/thesaurus/synonyms>