2: to be at the basis of : form the foundation of : supportideas underlying the revolution
3: to exist as a claim or security superior and prior to (another)
4archaic: to be subject or amenable to
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.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'underlie.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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First Known Use of underlie
before the 12th century, in the meaning defined at sense 4