C1

underlying cause

The fundamental or primary reason for a problem or situation, not the surface-level factor.

writing-task-2readingHealthEnvironmentGovernment and society

IELTS use

Argues deep roots of issues in Task 2 essays, relevant to policy analysis.

Examples

  1. The underlying cause of obesity is often a sedentary lifestyle.
  2. Poverty is an underlying cause of crime in many cities.

Collocations

underlying cause
Identifying the underlying cause of the disease is crucial.

Word family

Noun
cause
Adjective
underlying

Paraphrases

  • root cause: More common, slightly less formal.
  • fundamental reason: Similar meaning, formal.

Common mistakes

  • underlining cause to underlying cause. 'Underlying' is the correct word, not 'underlining'.
  • the cause underlying of the problem to the underlying cause of the problem. Word order is important.

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