497 entries under noun topic. ×

3
duty(performance, action, work, care)
3
enmity(struggle, conflict, war, warfare)
3
evolution(activity, move, action, study)
3
exercising(activity, action, study, act)
3
fighting(struggle, conflict, war, warfare)
3
flight(activity, move, action, act)
3
happening(activity, business, action, act)
3
hostility(struggle, conflict, war, warfare)
3
implementation(performance, act, use, exercise)
3
journey(activity, move, action, act)
3
mathematical process(expression, idiom)
3
measure(form, activity, move, action)
3
mechanism(activity, action, movement, work)
3
mental process(expression, idiom)
3
method(activity, control, treatment, plan)
3
occupation(activity, study, movement, work)
3
offensive(movement, struggle, conflict, war)
3
progress(activity, move, action, act)
3
progression(activity, move, action, act)
3
push(activity, movement, work, struggle)
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APASmart Define. (2015). operation thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/operation/thesaurus/synonyms
ChicagoSmart Define. 2015. "operation thesaurus" https://smartdefine.org/operation/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, operation thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/operation/thesaurus/synonyms>.
MLASmart Define. "operation thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/operation/thesaurus/synonyms>