Deficient
Under
Under adjective - Located below or beneath something else.
Both words in one sentence
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He likes to make sing-song rhymes (which irritates Manx to no end) and is clearly mentally deficient, and has murderous and rapacious tendencies that only get worse under Manx's influence.
Source: Literature / NOS4A2 -
The Super Happies think that anyone who doesn't abolish all pain and spend all their time having sex must be mentally deficient, and should be forcibly placed under the stewardship of a more advanced species.
Source: Deliberate Values Dissonance - Since then, several MMO first-person zombie survival games have started showing up on Steam, even though a couple of them are just The War Z being re-released under a different name because the original release was literally criminally deficient.
Source: Follow The Leader / Video Games
Cite this Source
Under and Deficient. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deficient/under
Deficient & Under. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deficient/under>.
Under or Deficient. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deficient/under.
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