Learn how to use the comparative “deeper” and superlative “deepest” with example sentences and differences.

What is the comparative form of “deepest”?

The comparative form of “deepest” is “deeper”.

Example

The well is deeper than I thought.

Example

He delved deeper into the mystery to uncover the truth.

What is the superlative form of “deepest”?

The superlative form of “deepest” is “deepest”.

Example

The ocean is known for being the deepest part of the Earth.

Example

His words touched me at the deepest level.

Why is this expression not used with most, more?

'Most' and 'more' are generally not used with deep, deeper, and deepest. They’re considered regular comparatives and superlatives. The forms 'more deep' and 'most deep' are not used because they sound awkward. Instead, deeper and deepest are the correct and preferred forms to use.

Does this expression have an irregular comparative/superlative form?

Deep does not have an irregular comparative or superlative form. It follows the standard pattern for forming comparatives and superlatives. So, to summarize: Comparative: Deep → Deeper Superlative: Deep → Deepest

Expressions with similar meanings to “deeper”

more profound

Used to describe something that is deeper in terms of meaning or significance

Example

The poem's message became more profound after multiple readings.

more intense

Used to indicate something that is deeper in terms of emotion or feeling

Example

Her love for him grew more intense with each passing day.

more extensive

A slightly formal way of expressing increased depth or breadth

Example

The research required more extensive investigation and analysis.

Expressions with similar meanings to “deepest”

most profound

Similar to deepest, this emphasizes both depth and significance

Example

Among all the books I've read, this one has had the most profound impact on me.

most intense

Used to describe the highest level of depth in terms of emotion or feeling

Example

Their argument reached its most intense point during the heated debate.

most extensive

A slightly formal way of expressing the highest level of depth or breadth

Example

The project required the most extensive research and analysis.

Using than with comparative “deeper”

When using the comparative form deeper to compare two things, you would use than to connect the two parts of the comparison: Example: "The well is deeper than I thought." Here, than is used to show that the depth of the well is greater than the initial expectation.

How can I use this expression in context?

“deeper” and “deepest” can be used in a variety of situations to compare speed.

• 1. Physical Depth

  The hole is deeper than it appears.

  The hole is deeper than it appears.

• 2. Emotional Depth

  Her pain runs deeper than anyone realizes.

  Her pain runs deeper than anyone realizes.

• 3. Intellectual Depth

  The professor's knowledge on the subject is deepest.

  The professor's knowledge on the subject is deepest.

• 4. Spiritual Depth

  He reached a deepest level of meditation.

  He reached a deepest level of meditation.

• 5. Philosophical Depth

  The book explores the deepest questions of existence.

  The book explores the deepest questions of existence.

Related idioms and phrases

In over your head

To be involved in a situation that is too difficult or complex to handle.

Example

He took on the project without realizing how challenging it would be. Now he's in over his head.

Go deep

To delve into a topic or issue in great detail.

Example

The journalist went deep into the corruption scandal, uncovering new evidence.

Still waters run deep

Quiet or calm people often have a depth of character or knowledge that is not immediately apparent.

Example

She may seem reserved, but still waters run deep - she has a lot of interesting thoughts and experiences to share.