Skip to main content

underlie — to be the cause or basis of something; to exist beneath

Part of speech: VERB

Definition: to be the cause or basis of something; to exist beneath

Pronunciation (IPA): /ˌʌndərˈlaɪ/

Example Sentences

  • His constant jokes underlie his deep insecurity about public speaking.
  • Scientific principles underlie all modern technology.
  • The rock formation that underlies our school explains why the WiFi is so terrible.

underlie

VERB

[/ˌʌndərˈlaɪ/]

to be the cause or basis of something; to exist beneath

Trust underlies every strong friendship.
💡 Concept

Trust underlies every strong friendship.

The foundation underlies the entire building.
🧠 Mnemonic

The foundation underlies the entire building.

A strong foundation underlies success because everyone can rely on it.
🎵 Rhyme

A strong foundation underlies success because everyone can rely on it.

Got the picture? Now let's practice.

🎤Pronunciation

🇺🇸 US/ˌʌndərˈlaɪ/
🇬🇧 UK/ˌʌndəˈlaɪ/

🌳Etymology

Prefixunder--
Rootlie

Origin

From Old English 'underlicgan', combining 'under' (beneath) and 'licgan' (to lie). The word has been used since Middle English to describe something that exists or functions as a foundation.

Breakdown

under- (beneath) + lie (to rest or recline) = underlie

🎵Rhyme

rely
supply
apply
imply

🔗Collocations

underlie the problem
principles that underlie
underlie the theory
factors underlie
underlie the surface
assumptions underlie

📝Examples

😄 Fun example

“His constant jokes underlie his deep insecurity about public speaking.”

“Scientific principles underlie all modern technology.”

😄 Fun example

“The rock formation that underlies our school explains why the WiFi is so terrible.”

“Cultural differences often underlie communication problems.”

📚Related Words

Want to master 27,000+ words?

Sign up free for flashcards & quizzes.