Deficient Deficient synonyms insufficient deficient and insufficient lacking deficient and lacking inadequate deficient and inadequate wanting deficient and wanting inferior deficient and inferior scarce deficient and scarce defective deficient and defective incomplete deficient and incomplete faulty deficient and faulty short deficient and short Full list of synonyms (889) Deficient antonyms sufficient deficient and sufficient perfect deficient and perfect enough deficient and enough adequate deficient and adequate satisfactory deficient and satisfactory ample deficient and ample abundant deficient and abundant flawless deficient and flawless excessive deficient and excessive respectable deficient and respectable Full list of antonyms (144) Share this picture Share this image Share this picture Share this image