Lacking: meaning, definitions and examples

Use when something is not present or is insufficient.

• Her explanation is lacking detail
• The team is lacking motivation

Use when something that should be there is not; often indicates an absence that is noticed or needed.

• One piece of the puzzle is missing
• She felt something was missing in her life

Use in formal situations to describe a shortcoming or inadequacy in quality, quantity, or progress; often used in technical or medical terms.

• His diet is deficient in vitamins
• The plan was found deficient in several key areas

Use when referring to a lack of quality or a failing; somewhat old-fashioned and can carry a negative connotation.

• His performance was found wanting
• The results were wanting in detail

Used similarly to 'lacking' but often implies a general absence, potentially with more emphasis on overall absence.

• Confidence was lacking in the team
• The plan was lacking in detail and preparation

Used when something is not good enough or sufficient for a particular purpose or need. Often has a negative connotation.

• His explanation was inadequate to resolve my doubts
• The shelter was inadequate for the number of people seeking refuge

Used when the quantity or quality of something is not enough for the intended purpose.

• There was insufficient evidence to support the claim
• The funds were insufficient to complete the project

Used when something has a shortfall or is not up to standard, often in a context requiring higher quality or quantity.

• The diet is deficient in vitamins
• The project was found deficient in several areas by the committee