Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
deeper than I thought
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "deeper than I thought" is correct and usable in written English.
You can use it when expressing surprise or realization about the complexity or intensity of a situation or subject that you previously underestimated. Example: "After reading the report, I realized the issue was much deeper than I thought."
✓ Grammatically correct
News & Media
The Guardian - Sport
The New York Times - Travel
Alternative expressions(20)
lasted beyond my initial expectations
more complex than I had imagined
beyond my initial expectations
proved to be more enduring than I thought
sharper than I thought
earlier than I thought
harder than I expected
later than I thought
nicer than I thought
longer than I think
better than I thought
steeper than I thought
farther than I thought
further than I thought
less than I thought
longer than I thought
ran for longer than expected
stronger than I thought
broader than I thought
tougher than I thought
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
5 human-written examples
I must admit, he did play a little deeper than I thought he'd play.
News & Media
"He did play a lot deeper than I thought he would," the manager added.
News & Media
I realized that I'd been reading the gauge in feet, but it had been registering depth in meters, meaning I was more than three times deeper than I thought.
News & Media
(As a quick aside, it seems the difference between Apple and other trackpads has reached deeper than I thought: throughout this article (until I just now corrected it) I've been writing "touchpad" when referring to Apple's, and "trackpad" when referring to others.
News & Media
"One good thing that has come out of the tragedy is ― I always thought I was a loving, kind compassionate person but as a result of losing my son in this violent way, I have developed a level of compassion that is deeper than I thought was humanly possible," Leinonen told HuffPost.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
This chord struck deeper in me than I thought any experience could while working at a college alumni event.
News & Media
"We are deeper in the hole than I thought we would be," John Gross, the campaign's treasurer, wrote in an e-mail message to several senior campaign aides that was obtained by The New York Times.
News & Media
It was a remarkable chicken wing — burnished and crunchy, just sweet enough to punch up its deep caramelization, and a lot spicier than I thought it might be; lashed with enough fish sauce to dial the stink up to a heroic level.
News & Media
"But I'll tell you this about the process: I take a deeper dive in the process than I think most do.
News & Media
Her grandfather, Dr. William Dewar II, says, "My son and I had deeper feelings for our patients than I think Kate will ever have".
News & Media
"But it is deeper than I ever thought".
News & Media
Expert writing Tips
Best practice
Use "deeper than I thought" to convey a sense of surprise or realization about the unexpected complexity or intensity of a situation, emotion, or subject. It is suitable when you initially underestimated something.
Common error
Avoid using "deeper than I thought" when you simply discovered new facts; it's more appropriate when the implications or intensity of something are greater than your initial assessment.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "deeper than I thought" functions as a comparative adverbial phrase, modifying a verb or clause to express the extent to which something exceeds one's initial estimation. It often introduces a sense of surprise or newfound understanding, as supported by Ludwig.
Frequent in
News & Media
60%
The Guardian - Sport
20%
Huffington Post
10%
Less common in
Science
3%
Formal & Business
3%
Reference
1%
Ludwig's WRAP-UP
The phrase "deeper than I thought" is a useful comparative phrase to express that something is more complex, intense, or significant than initially estimated. According to Ludwig, the phrase is grammatically correct and suitable for use in written English. It is found most frequently in news and media contexts. While the phrase is deemed acceptable, considering more precise alternatives in formal contexts can improve clarity and sophistication. Remember to use "deeper than I thought" when you underestimated the implications or intensity of something, not merely when discovering new facts.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
more profound than I expected
Replaces "deeper" with "more profound" for emphasis on intellectual or emotional depth.
more complex than I realized
Substitutes "deeper" with "more complex" to highlight intricacy rather than depth.
more intense than I anticipated
Uses "more intense" to focus on the degree of strength or force.
greater than I had imagined
Emphasizes the magnitude or extent of something unexpected.
stronger than I had believed
Highlights the unexpected strength or resilience.
more significant than I knew
Focuses on the importance or consequence that was previously underestimated.
more serious than I understood
Highlights the severity of the situation that was not fully grasped.
beyond my initial expectations
Shifts the focus to exceeding the original anticipations.
more involved than I had presumed
Highlights the complexity and the amount of details.
a bigger deal than I first thought
Uses a more informal tone to express surprise at the importance of something.
FAQs
How can I use "deeper than I thought" in a sentence?
You can use "deeper than I thought" to express a realization that something is more complex or intense than you initially believed. For example, "The problem turned out to be "deeper than I thought", requiring more resources to resolve".
What are some alternatives to "deeper than I thought"?
Some alternatives include "more profound than I expected", "more complex than I realized", or "more intense than I anticipated", depending on the specific context.
Is "deeper than I thought" appropriate for formal writing?
While grammatically correct, "deeper than I thought" is more suited for informal or neutral contexts. In formal writing, consider using more precise and sophisticated alternatives to clearly convey the specific nuance you intend.
What's the difference between "more than I thought" and "deeper than I thought"?
"More than I thought" is a general statement indicating a quantity or degree exceeded expectations. "Deeper than I thought" specifically implies a level of complexity, intensity, or significance that was initially underestimated.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested