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

What is the comparative form of “deeper”?

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

Example

The well is deeper than I thought.

Example

He dug deeper into the ground to find the treasure.

What is the superlative form of “deeper”?

The superlative form of “deeper” 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 has a more profound message than meets the eye.

more extensive

Used to indicate something that is deeper in terms of size or scope

Example

The cave is more extensive than we initially thought.

more intense

Used to describe something that is deeper in terms of intensity or emotion

Example

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

Expressions with similar meanings to “deepest”

most profound

Similar to deepest, this emphasizes both depth and significance

Example

The book explores the most profound questions about life and existence.

most extensive

Used to describe the highest level of depth in terms of size or scope

Example

The Grand Canyon is one of the most extensive natural wonders.

most intense

Used to indicate the highest level of depth in terms of intensity or emotion

Example

Their argument reached its most intense point.

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 is deeper than most.

  The professor's knowledge is deeper than most.

• 4. Spiritual Depth

  His understanding of life's mysteries is deepest among his peers.

  His understanding of life's mysteries is deepest among his peers.

• 5. Creative Depth

  The artist's work reflects a deep and profound understanding of human emotions.

  The artist's work reflects a deep and profound understanding of human emotions.

Related idioms and phrases

In deep water

To be in a difficult or challenging situation.

Example

After losing his job, he found himself in deep water financially.

Deep pockets

To have a lot of money or financial resources.

Example

The company has deep pockets and can afford to invest in new projects.

Go off the deep end

To become extremely upset or angry.

Example

When she found out about the betrayal, she went off the deep end and confronted the person involved.