Underlying: meaning, definitions and examples

Used to describe something that is fundamental or the basic cause of something.

• The underlying reason for his success is his perseverance
• The underlying issue is far deeper than it appears

Refers to someone or something that is lower in rank or position.

• In the company, he has several subordinate employees
• Subordinate clauses are dependent on the main clause

Describes something located below the surface, typically used in geological or scientific contexts.

• Scientists are exploring the subsurface layers for clues about ancient life
• Subsurface water can significantly affect soil stability

Used to describe something that is directly below or covered by something else.

• He hid the money underneath the mattress
• Underneath her tough exterior, she's a very kind person

Use this word to talk about basic causes or principles that are not immediately obvious.

• The underlying reason for his success is hard work
• The underlying problem in their relationship is a lack of trust

This word is good for talking about providing help or encouragement for someone or something.

• She needed emotional support after the breakup
• Financial support is essential for small businesses

This word is suitable for discussing the basic structure or foundation that maintains something.

• Trust underpins a healthy relationship
• Scientific research underpins modern medicine

This word is used in contexts where you talk about maintaining something over a period of time.

• The athlete sustained a high level of performance throughout the season
• Governments must find ways to sustain economic growth