30 entries under operational topic. ×

9
going(noun, adjective, activity, action, movement)
5
laboring(verb, running, working, acting)
2
employed(adjective, running, alive)
2
lively(adjective, active, operative)
2
ongoing(active, operative)
2
practical(adjective, running, alive, working, serviceable)
2
vigorous(adjective, active, operative)
1
hot(running, alive)
1
in use(verb, expression, phrasal verb, active, effective)
1
persisting(verb, active, operative)
0
alert(active, operative)
0
animated(active, operative)
0
brisk(active, operative)
0
contemporary(active, operative)
0
continuing(active, operative)
0
current(active, practical, running, working, operative)
0
developing(active, operative)
0
engaged(adjective, running)
0
existent(active, operative)
0
in a job(expression, idiom, 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>