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 English Language Learners
Definition of underlie for English Language Learners
: to lie or be located under (something)
: to form the basis or foundation of (an idea, a process, etc.)
UNDERLIE Defined for Kids
Seen and Heard
What made you want to look up underlie? Please tell us where you read or heard it (including the quote, if possible).