7
adventure(project, labor, task)
6
hit the ground running
3
Manhattan Project
3
assignment
3
baby
3
breeze
3
child's play
3
cinch
3
dangerous undertaking
3
do so
3
duck soup
3
endeavor
3
endeavour
3
endurance contest
3
enterprise
3
escapade
3
labor of love
3
labour of love
3
large order
3
marathon
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APASmart Define. (2016). undertaking thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/undertaking/thesaurus/narrower
ChicagoSmart Define. 2016. "undertaking thesaurus" https://smartdefine.org/undertaking/thesaurus/narrower (accessed September 20, 2026).
HarvardSmart Define 2016, undertaking thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/undertaking/thesaurus/narrower>.
MLASmart Define. "undertaking thesaurus" 1 April 2016. Web. 20 September 2026. <https://smartdefine.org/undertaking/thesaurus/narrower>