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

What is the comparative form of “deepish”?

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

Example

The well is deeper than I thought.

Example

She dived deeper into the ocean to explore the coral reef.

What is the superlative form of “deepish”?

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

Example

The Mariana Trench is known as the deepest part of the ocean.

Example

Her love for him was the deepest she had ever felt.

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 had a more profound impact on me than any other.

more extensive

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

Example

The cave system is more extensive than we initially thought.

more thorough

Used to describe something that is deeper in terms of thoroughness or completeness

Example

He conducted a more thorough investigation to uncover the truth.

Expressions with similar meanings to “deepest”

most profound

Similar to deepest, this emphasizes both depth and significance

Example

The book had the most profound impact on her life.

most extensive

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

Example

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

most thorough

Used to indicate the highest level of depth in terms of thoroughness or completeness

Example

He conducted the most thorough research to support his argument.

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. Water Bodies

  The ocean gets deeper as you go further from the shore.

  The ocean gets deeper as you go further from the shore.

• 2. Emotions

  His love for her was the deepest he had ever felt.

  His love for her was the deepest he had ever felt.

• 3. Knowledge

  The course delves deeper into advanced topics.

  The course delves deeper into advanced topics.

• 4. Caves

  The cave system is known for its deepest chambers.

  The cave system is known for its deepest chambers.

• 5. Meaning

  The movie has a deeper message about the human condition.

  The movie has a deeper message about the human condition.

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 a project that was way over his head and struggled to complete it.

Dive deep

To explore or investigate something thoroughly or extensively.

Example

She decided to dive deep into the research to find answers.

Go off the deep end

To become extremely angry, emotional, or irrational.

Example

When he found out about the betrayal, he went off the deep end and started yelling.