50 entries under adjective topic. ×

19
working(noun, verb, action, way)
14
operating(noun, verb, action, awareness)
14
operative(action, active, awareness, effective)
10
active(action, movement, moving, awareness)
9
alive(action, active, awareness, effective)
9
functional(practical, running, working, operative)
9
going(noun, activity, action, movement)
9
operational(active, practical, effective, running)
9
performing(noun, verb, performance, doing)
8
acting(verb, working, acting)
8
effective(moving, active, running, alive)
8
running(noun, action, active, awareness)
6
in operation(expression, idiom, active, running)
6
practicing(verb, acting, applying)
5
in force(expression, idiom, active, effective)
5
live(energetic, active, vigorous, animate)
4
serviceable
3
in effect(expression, idiom, active, running)
3
useful(practical, running, alive, working)
2
dynamic(active, animate, living, running)
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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>