11 entries under activity topic. ×

6
keep(verb, state, perseverance)
4
maintain(verb, state, perseverance)
4
reserve(verb, state, perseverance)
3
hold(verb, state, perseverance)
3
preserve(verb, state, perseverance)
3
retain(verb, state, perseverance)
3
uphold(verb, state, perseverance)
2
save(verb, state, perseverance)
2
sustain(verb, state, perseverance)
1
conserve(verb, state, perseverance)
1
protect(verb, state, perseverance)
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APASmart Define. (1970). cooling device thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/cooling_device/thesaurus/related
ChicagoSmart Define. 1970. "cooling device thesaurus" https://smartdefine.org/cooling_device/thesaurus/related (accessed September 24, 2026).
HarvardSmart Define 1970, cooling device thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/cooling_device/thesaurus/related>.
MLASmart Define. "cooling device thesaurus" 1 January 1970. Web. 24 September 2026. <https://smartdefine.org/cooling_device/thesaurus/related>