Synonyms|56Antonyms|2|Broader|0Narrower|0Related|17
3
be wanting(verb, fail)
3
fail
2
be deficient(verb, fail)
2
be inadequate
2
fall short(verb, expression, fail)
2
prove inadequate(verb, expression, fail)
1
be disappointing
1
be unsuccessful
1
fall
1
miss
1
need
1
privation
0
abort
0
be absent(expression, idiom)
0
be defective
0
be insufficient
0
be missing(expression, idiom)
0
be short
0
defaulting
0
deficiency
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APASmart Define. (2013). be lacking thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/be_lacking/thesaurus/synonyms
ChicagoSmart Define. 2013. "be lacking thesaurus" https://smartdefine.org/be_lacking/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, be lacking thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/be_lacking/thesaurus/synonyms>.
MLASmart Define. "be lacking thesaurus" 19 May 2013. Web. 20 September 2026. <https://smartdefine.org/be_lacking/thesaurus/synonyms>