14 entries under functional topic. ×

13
operative(adjective, active, practical, effective, running)
9
usable
8
working(adjective, practical, running, unaffected, operative)
6
in working order(expression, adjective, idiom)
6
practical(adjective, running, working, functioning)
5
serviceable
4
viable(adjective, running, functioning)
4
workable
3
practicable
3
useful(adjective, practical, running, working, operative)
2
fit
2
prepared
2
ready
0
in service
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APASmart Define. (2015). operational thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/operational/thesaurus/synonyms
ChicagoSmart Define. 2015. "operational thesaurus" https://smartdefine.org/operational/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, operational thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/operational/thesaurus/synonyms>.
MLASmart Define. "operational thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/operational/thesaurus/synonyms>