62 entries under weak topic. ×

2
plain(adjective, poor, miserable, inferior)
2
subnormal(adjective, poor, miserable, inferior)
2
trivial(adjective, dull, simple, slight)
1
below par(expression, adjective, idiom, poor)
1
common(adjective, poor, miserable, inferior)
1
dwarfed(adjective, poor, miserable, inferior)
1
feeble(adjective, poor, low, miserable)
1
low-grade(adjective, poor, miserable, inferior)
1
ordinary(adjective, poor, miserable, inferior)
1
rotten(adjective, bad, poor, miserable)
1
sorry(adjective, poor, miserable, inferior)
1
valueless(adjective, poor, miserable, inferior)
0
declining(adjective, short, weakening, worsening)
0
defeated(adjective, short, weakening, worsening)
0
faint(adjective, short, weakening, worsening)
0
not well(expression, adjective, short, weakening)
0
unavailing(adjective, short, weakening, worsening)
0
unprosperous(adjective, short, weakening, worsening)
0
unsuccessful(adjective, short, weakening, worsening)
0
unsufficient(adjective, short, insufficient, meager)
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APASmart Define. (2015). deficient thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/deficient/thesaurus/synonyms
ChicagoSmart Define. 2015. "deficient thesaurus" https://smartdefine.org/deficient/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, deficient thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/deficient/thesaurus/synonyms>.
MLASmart Define. "deficient thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/deficient/thesaurus/synonyms>