deep
adjective
extending far down from the top or surface.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Navier-Stokes is one of the seven deepest and most difficult unresolved questions known as the “Millennium Prize Problems”; since 2000, only one had ever been solved.
From The Wall Street Journal ● Sep. 8, 2026
The Galaxy entered September in their deepest slump of the season, one that left them closer to last place in the MLS standings than they were to first.
From Los Angeles Times ● Sep. 6, 2026
"These microbes remind us that even the smallest partners can leave the deepest mark on our history."
From Science Daily ● Sep. 3, 2026
"The company extends its deepest condolences and heartfelt sympathies to their families, loved ones, and colleagues during this difficult time."
From BBC ● Sep. 2, 2026
I kept my eyes straight ahead, unwilling to look behind me at that gold shining dome that had accepted all our deepest wishes just a few hours back.
From "Missing May" by Cynthia Rylant
