Synonyms for deficient

• (adj) lacking, wanting, inadequate (similar term)
  
  
• (adj) insufficient, depleted (similar term), low (similar term), inadequate (similar term), poor (similar term), short (similar term), lean (similar term), skimpy (similar term), light (similar term), scant (similar term), short (similar term), scarce (similar term), shy (similar term), too little (similar term), meager (related term), meagre (related term), meagerly (related term), stingy (related term), scrimpy (related term), sufficient (antonym)
  
  
• (adj) inferior, substandard, nonstandard (similar term)
  
  

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