16 entries under marching topic. ×

3
proceeding(adjective, working, started, underway)
2
in progress(expression, adjective, moving, working, started)
2
under way(expression, adjective, working, happening, started)
2
underway(adjective, moving, motion)
1
in motion(expression, adjective, working, started, underway)
1
in process(expression, adjective, present, new, being)
0
abiogenic
0
arising
0
assurgent
0
cursive
0
idiopathic
0
in action(expression, underway)
0
in operation(expression, underway)
0
in succession(expression, underway)
0
policing
0
running
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APASmart Define. (2015). begun thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/begun/thesaurus/synonyms
ChicagoSmart Define. 2015. "begun thesaurus" https://smartdefine.org/begun/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, begun thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/begun/thesaurus/synonyms>.
MLASmart Define. "begun thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/begun/thesaurus/synonyms>