Simple Definition of underlie
: to lie or be located under (something)
: to form the basis or foundation of (an idea, a process, etc.)
Full Definition of underlie
Examples of underlie in a sentence
A tile floor underlies the rug.
The river is underlain by limestone.
We discussed the principles that underlay their methods.
A theme of revenge underlies much of her writing.
Before 12th Century
First Known Use of underlie
before 12th century
UNDERLIE Defined for Kids
Seen and Heard
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