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2 entries under efficiently topic. ×

1
easily(freely, immediately, readily, gladly, promptly)
1
facilely(freely, immediately, easily, readily, gladly)
15 years ago|104 views|share |citing 
APASmart Define. (2011). slick as whistle thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/slick_as_whistle/thesaurus/synonyms
ChicagoSmart Define. 2011. "slick as whistle thesaurus" https://smartdefine.org/slick_as_whistle/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2011, slick as whistle thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/slick_as_whistle/thesaurus/synonyms>.
MLASmart Define. "slick as whistle thesaurus" 23 May 2011. Web. 28 September 2026. <https://smartdefine.org/slick_as_whistle/thesaurus/synonyms>