Definitions

1. verb

to be the basis or foundation of something

“The economic conditions underlie the decision to raise prices.”

2. verb

to be present or implied beneath the surface of something

“The problem underlies many of the issues in the city’s infrastructure.”

3. verb

to provide support or backing for something

“The new data underlies the researchers’ claim of a breakthrough.”

4. noun

a underlying factor or cause

“The social and economic issues underlie the conflict in the region.”