19
weakly(adverb, badly, poorly, slightly, weakly)
11
frailly(adverb, weakly)
8
softly
7
powerlessly(adverb, weakly, inevitably, impotently, incapably)
7
faintly
6
impotently(adverb, weakly, impotently)
5
infirmly(adverb, weakly)
4
lightly
4
inadequately(adverb, badly, poorly, weakly, softly)
3
low
3
incapably(adverb, weakly, impotently, helplessly, powerlessly)
3
listlessly(adverb, wearily)
3
slightly
2
decrepitly
2
delicately
2
gently
2
flimsily
2
incompetently(adverb, impotently)
2
lamely
2
languidly
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APASmart Define. (2015). feebly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/feebly/thesaurus/synonyms
ChicagoSmart Define. 2015. "feebly thesaurus" https://smartdefine.org/feebly/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, feebly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/feebly/thesaurus/synonyms>.
MLASmart Define. "feebly thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/feebly/thesaurus/synonyms>