32 entries under wasteful topic. ×

5
weak(adjective, skill, well, incompetent, unqualified)
4
slovenly(adjective, well, incompetent, unproductive)
4
unprepared(adjective, well, incompetent, unqualified, inept)
3
slack(adjective, well, dubious, incompetent, lazy)
3
sloppy(adjective, well, incompetent, unproductive)
3
prodigal(adjective, well, extravagant, incompetent, lavish)
2
half-baked(adjective, well, incompetent, unproductive)
2
uneconomical(adjective, extravagant, incompetent, lavish)
1
improficient(adjective, well, incompetent, unproductive)
1
not cut out for(expression, adjective, idiom, weak, inadequate)
1
shooting blanks(expression, adjective, well, incompetent)
0
can't hack it(adjective, well)
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APASmart Define. (2015). inefficient thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/inefficient/thesaurus/synonyms
ChicagoSmart Define. 2015. "inefficient thesaurus" https://smartdefine.org/inefficient/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, inefficient thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/inefficient/thesaurus/synonyms>.
MLASmart Define. "inefficient thesaurus" 12 November 2015. Web. 27 September 2026. <https://smartdefine.org/inefficient/thesaurus/synonyms>