57 entries under adverb topic. ×

2
whimsically(capriciously, motivelessly)
1
instantaneously
1
adriftly
1
ambivalently
1
carelessly
1
changeably
1
dartingly
1
ephemerally
1
erratically
1
exceedingly
1
fitfully
1
frivolously
1
haphazardly
1
hurriedly
1
impermanently
1
irregularly
1
non-systematically
1
rapidly
1
restlessly
1
rootlessly
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APASmart Define. (2015). fleetingly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/fleetingly/thesaurus/synonyms
ChicagoSmart Define. 2015. "fleetingly thesaurus" https://smartdefine.org/fleetingly/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, fleetingly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/fleetingly/thesaurus/synonyms>.
MLASmart Define. "fleetingly thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/fleetingly/thesaurus/synonyms>