mediocrity (n.)
- adulteration
- average
- balance
- baseness
- bourgeoisie
- center
- cipher
- defectiveness
- deficiency
- dummy
- erroneousness
- failure
- fallibility
- faultiness
- fewness
- figurehead
- generality
- greenhorn
- immaturity
- impairment
- imperfection
- impurity
- inability
- inaccuracy
- inadequacy
- inadequateness
- inaptitude
- inaptness
- inattentiveness
- incapability
- incapacity
- incompetence
- incompetency
- incompetent
- incompleteness
- ineffectiveness
- ineffectuality
- inefficiency
- ineptness
- inexactitude
- inexactness
- insufficiency
- jackstraw
- lack
- lightweight
- littleness
- maladjustment
- maladroitness
- mean
- meanness
- median
- medium
- middle
- midpoint
- nebbish
- nonentity
- norm
- normal
- obscurity
- par
- patchiness
- pettiness
- pip-squeak
- punk
- rule
- run
- runt
- rustiness
- scrub
- second-rater
- shabbiness
- shortage
- shortcoming
- shrimp
- sketchiness
- smallness
- squirt
- squit
- subnormality
- suburbia
- third-rater
- thoughtlessness
- triviality
- unevenness
- unfitness
- unskillfulness
- unsoundness
- vulgarity
- want
- whippersnapper