45 entries under operating topic. ×

10
active(adjective, action, movement, moving, awareness)
9
alive(adjective, action, active, awareness, effective)
9
going(noun, adjective, activity, action, movement)
8
effective(adjective, moving, active, running, alive)
8
running(noun, adjective, action, active, awareness)
6
in operation(expression, adjective, idiom, active, running)
5
live(adjective, energetic, active, vigorous, animate)
4
at work(expression, moving, active, effective, running)
4
executing(verb, continuous, acting, flowing)
4
moving(verb, active, effective, continuous, running)
3
in action(expression, idiom, continuous, flowing)
2
dynamic(adjective, active, animate, living, running)
2
efficacious(moving, active, effective, running, alive)
2
flowing(verb, moving, active, effective, continuous)
2
in play(expression, moving, active, effective, running)
2
in process(expression, active, effective, running, alive)
1
astir(moving, active, effective, running, alive)
1
bustling(moving, active, effective, running, alive)
1
exertive(moving, active, effective, running, alive)
1
hasty(moving, active, effective, running, alive)
<123>
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APASmart Define. (2015). functioning thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/functioning/thesaurus/synonyms
ChicagoSmart Define. 2015. "functioning thesaurus" https://smartdefine.org/functioning/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, functioning thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/functioning/thesaurus/synonyms>.
MLASmart Define. "functioning thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/functioning/thesaurus/synonyms>