Synonyms|51Antonyms|0|Broader|0Narrower|0Related|37
4
deficiency(noun, loss, deficit)
2
loss(noun, deficit)
1
breakdown
1
failure
1
lack(noun, loss, deficit)
0
deficit(noun, loss)
0
deprivation
0
detriment
0
abatement
0
absence
0
arrears(loss, deficit)
0
conflict
0
damage
0
dearth
0
debit
0
debt
0
decline
0
decrease
0
deduction
0
default(loss, deficit)
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ChicagoSmart Define. 2013. "underperformance thesaurus" https://smartdefine.org/underperformance/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, underperformance thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/underperformance/thesaurus/synonyms>.
MLASmart Define. "underperformance thesaurus" 19 May 2013. Web. 21 September 2026. <https://smartdefine.org/underperformance/thesaurus/synonyms>