Underachievement

Pronunciation: /ˈəndɝˈətʃivmənt/

Underachievement (noun)

  1. Failure to reach the level of success that your ability, effort, or past performance suggests you could achieve.
  2. A situation where someone does less than they are capable of, often over a period of time.

Examples

  • Her underachievement surprised the teachers.
  • The report showed underachievement in several subjects.