Deficient

Lacking an essential quality or element; inadequate in amount or degree; imperfect or incomplete. 'Deficient' implies a shortfall, indicating that something is not as full, complete, or high-quality as it ought to be or is expected to be. The term often applies to abstract things like skills, knowledge, or resources, but can also relate to physical objects or systems. It highlights a gap between the current state and a desired or required level of sufficiency.

Deficient meaning with examples

• Her understanding of the subject matter was clearly deficient, as evidenced by her inability to answer even basic questions during the presentation.
• The team's communication was severely deficient, which led to misunderstandings and ultimately, the project's ultimate delay.
• Due to a poor diet, the child's body was deficient in several essential vitamins and minerals, impacting overall health and well-being.
• The old car's braking system was deficient and needed urgent repair before the vehicle could be considered roadworthy and safe.
• The evidence presented in court was deficient, which made it difficult for the jury to reach a conclusive verdict in the complex case.