Explanation at your level:
To deepen means to make something go lower. If you dig a hole, you deepen it. You can also deepen your feelings. It is like making something bigger or stronger inside your heart.
When you deepen something, you make it go further down. For example, you can deepen a swimming pool. We also use it for feelings. You can deepen your friendship with a person by talking more.
Deepen is used when something becomes more intense. It is common to say 'the crisis deepened' or 'the relationship deepened.' It implies that a situation is changing and becoming more serious or significant over time.
Use deepen to describe the process of becoming more profound. It is often used with abstract concepts like 'understanding,' 'knowledge,' or 'divisions.' It suggests a gradual change rather than a sudden one, highlighting the evolution of a state or feeling.
In advanced English, deepen is used to describe complex social or psychological phenomena. One might discuss the deepening of a recession or the deepening of a philosophical inquiry. It carries a sense of gravity and sophistication, often used in academic or literary writing to denote an increase in complexity.
At the C2 level, deepen is employed to articulate nuanced shifts in perspective or structural integrity. It functions as a precise verb to describe the intensification of emotional resonance or the expansion of intellectual horizons. Its usage often reflects a mastery of register, allowing the speaker to convey subtle shifts in tone, such as the deepening of a character's resolve in a narrative or the deepening of an existential crisis.
Word in 30 Seconds
- Deepen is a verb meaning to make something deeper or more intense.
- It is used for physical objects like rivers and abstract things like feelings.
- It is a regular verb (deepened).
- Commonly used with 'understanding' and 'knowledge'.
The word deepen is a versatile verb that bridges the gap between physical space and abstract emotions. When you deepen a hole, you are literally digging further down. However, we often use it to talk about our inner lives.
When we say our knowledge or feelings deepen, we mean they are becoming more complex and meaningful. It implies a process of growth or expansion that moves beyond the surface level of things.
The word deepen comes from the Old English word deop, which meant 'profound' or 'deep.' By adding the suffix -en, which turns adjectives into verbs, the language created a way to describe the action of making something deep.
It shares roots with the German tief and Dutch diep. Historically, it was used primarily for physical geography, but by the 17th century, writers began using it to describe the deepening of philosophical thoughts and spiritual states.
You can use deepen in both formal and casual settings. In professional contexts, you might hear about deepening a crisis or deepening a relationship with a client.
In daily life, it is common to talk about deepening your voice or deepening your understanding of a hobby. It is a very flexible verb that pairs well with abstract nouns like 'mystery,' 'divide,' or 'commitment.'
While 'deepen' itself isn't always in an idiom, it is used to describe the deepening of ties. 1. Deepen the divide: To make a disagreement worse. 2. Deepen the mystery: To make a situation more confusing. 3. Deepen one's roots: To become more established. 4. Deepen the silence: To make a quiet moment feel heavier. 5. Deepen the connection: To become closer to someone.
Deepen is a regular verb. Its past tense and past participle are deepened. It is often used intransitively ('The water deepened') or transitively ('He deepened the trench').
The pronunciation is DEE-pen. It rhymes with 'steepen' and 'weaken.' The stress is always on the first syllable, which is a common pattern for two-syllable verbs ending in -en.
Fun Fact
The suffix -en is a Germanic way to turn adjectives into verbs, just like in 'widen' or 'sharpen'.
Pronunciation Guide
Clear 'ee' sound, followed by a soft 'pen'.
Similar to UK, slightly more emphasis on the 'n'.
Common Errors
- Pronouncing it like 'deep-in'
- Adding an extra syllable
- Misplacing the stress
Rhymes With
Difficulty Rating
Easy to read
Easy to write
Easy to say
Easy to hear
What to Learn Next
Prerequisites
Learn Next
Advanced
Grammar to Know
Suffix -en
Deepen, Widen, Sharpen
Transitive vs Intransitive
He deepened the hole (transitive). The hole deepened (intransitive).
Adverb formation
Deep -> Deeply
Examples by Level
I want to deepen the hole.
make the hole lower
verb + object
The water is deepening.
the water is becoming deep
intransitive verb
He deepened his voice.
made his voice lower
verb + object
We deepen our love.
our love grows
abstract object
The river deepened.
the river got deeper
past tense
She deepened the color.
made the color darker
transitive verb
They deepen the path.
made the path lower
simple sentence
The hole deepened.
the hole got deeper
intransitive
The rain deepened the puddles.
He deepened his knowledge of history.
The silence deepened in the room.
The company deepened its roots.
She deepened her understanding of math.
The crisis deepened overnight.
They deepened the canal.
His interest deepened.
The mystery deepened as we found more clues.
Our friendship has deepened over the years.
The government deepened the tax cuts.
The color of the sky deepened to a dark purple.
She deepened her commitment to the project.
The divide between the two groups deepened.
His voice deepened with age.
The shadows deepened as the sun set.
The economic crisis deepened the nation's struggle.
We must deepen our dialogue with the community.
The plot deepened with every chapter.
She sought to deepen her spiritual practice.
The conflict deepened, making peace harder to find.
His appreciation for art deepened after the trip.
The research deepened our understanding of the virus.
The silence deepened, creating an awkward atmosphere.
The scholar aimed to deepen the discourse on ethics.
The deepening recession forced many to reconsider their savings.
Her resolve deepened in the face of adversity.
The author deepened the character's motivation throughout the novel.
The deepening of the geopolitical rift caused global concern.
He worked to deepen his connection with the local culture.
The investigation deepened, revealing hidden truths.
The complexity of the issue deepened with new evidence.
The philosopher sought to deepen the inquiry into human consciousness.
The deepening gloom of the forest mirrored his internal state.
The artist deepened the shadows to evoke a sense of melancholy.
The deepening chasm between the two ideologies seemed insurmountable.
She found that her love for the craft deepened with every passing decade.
The deepening of the mystery only served to intrigue the detective further.
The poet used language to deepen the emotional impact of the verse.
The crisis served to deepen the bonds of the community.
Common Collocations
Idioms & Expressions
"deepen the plot"
make a story more complex
The new character really deepened the plot.
casual"in deep water"
in trouble
He is in deep water with his boss.
idiomatic"deepen the divide"
increase disagreement
The argument only deepened the divide.
neutral"deepen one's roots"
become settled
They are ready to deepen their roots in this city.
neutral"deepen the mystery"
make something harder to solve
The missing key deepened the mystery.
neutral"deepen the connection"
become closer
We talked for hours to deepen our connection.
neutralEasily Confused
Adjective vs Verb
Deep is a state; deepen is the action.
The hole is deep (adj). I will deepen the hole (verb).
Adverb vs Verb
Deeply describes how something is done.
He cares deeply (adv).
Similar suffix
Widen is for width; deepen is for depth.
Widen the road vs deepen the river.
Similar suffix
Heighten is for height or intensity.
Heighten the suspense.
Sentence Patterns
Subject + deepen + object
The rain deepened the river.
Subject + deepen + prepositional phrase
He deepened his knowledge in class.
The + noun + deepened
The mystery deepened.
Subject + deepened + adjective
The voice deepened significantly.
Verb + deepen + infinitive
I want to deepen my understanding.
Word Family
Nouns
Verbs
Adjectives
Related
How to Use It
7
Formality Scale
Common Mistakes
Deepen is a verb, not an adverb.
Deepen is more concise and natural.
Deepeningly is not a standard word.
Redundant usage of deep.
You cannot deepen a person, only a bond.
Tips
Memory Palace Trick
Imagine a deep well and you are digging it deeper.
When Native Speakers Use It
When talking about serious topics like crises or relationships.
Cultural Insight
It is often used in self-help contexts to 'deepen' one's practice.
Grammar Shortcut
Remember the -en suffix makes it a verb.
Say It Right
Focus on the long 'ee' sound.
Don't Make This Mistake
Do not say 'deepenly'.
Did You Know?
It comes from the same root as 'deep'.
Study Smart
Group it with 'widen' and 'sharpen'.
Professional Tip
Use it in reports to sound more precise.
Verb Patterns
It is usually transitive.
Memorize It
Mnemonic
DEEP + EN (to make it)
Visual Association
A shovel digging into the earth.
Word Web
Challenge
Use 'deepen' in a sentence about your favorite hobby today.
Word Origin
Old English
Original meaning: To make profound
Cultural Context
None
Used frequently in both casual conversation and serious journalism.
Practice in Real Life
Real-World Contexts
At school
- deepen my knowledge
- deepen my understanding
- deepen the study
At work
- deepen the relationship
- deepen the crisis
- deepen the commitment
In nature
- deepen the hole
- deepen the river
- deepen the channel
In stories
- deepen the plot
- deepen the mystery
- deepen the silence
Conversation Starters
"How can you deepen your knowledge of English?"
"Do you think it's important to deepen your friendships?"
"Have you ever seen a river deepen after a storm?"
"What can deepen a mystery in a book?"
"Why might a crisis deepen in a country?"
Journal Prompts
Write about a time you tried to deepen a skill.
Describe a situation that deepened your understanding of someone.
How does silence deepen your thoughts?
Write about a goal you have to deepen your commitment to something.
Frequently Asked Questions
8 questionsYes, it follows the -ed pattern.
Yes, like rivers or holes.
Deeply.
It can be used in both formal and casual settings.
Sometimes, like deepening a color.
Yes, that is correct.
No, widen is for width, deepen is for depth.
DEE-pen.
Test Yourself
I want to ___ the hole in the sand.
We need a verb here.
Which means to make something more intense?
Deepen implies increasing intensity.
Can you 'deepen' a relationship?
Yes, it means to make it stronger.
Word
Meaning
Matching verbs to their meanings.
The mystery deepened quickly.
The crisis ___ as more information came out.
Crisis is often paired with deepen.
Is 'deepenly' a correct adverb?
Deeply is the adverb.
Word
Meaning
Synonym/Antonym matching.
His resolve deepened significantly.
Which context is 'deepen' most appropriate for?
It is often used in academic contexts.
Score: /10
Summary
Deepen is the action of taking something from the surface to a more profound level.
- Deepen is a verb meaning to make something deeper or more intense.
- It is used for physical objects like rivers and abstract things like feelings.
- It is a regular verb (deepened).
- Commonly used with 'understanding' and 'knowledge'.
Memory Palace Trick
Imagine a deep well and you are digging it deeper.
When Native Speakers Use It
When talking about serious topics like crises or relationships.
Cultural Insight
It is often used in self-help contexts to 'deepen' one's practice.
Grammar Shortcut
Remember the -en suffix makes it a verb.
Example
The conversation began to deepen as they discussed their future.
Related Content
This Word in Other Languages
More general words
about
A1On the subject of; concerning something.
above
A2In a higher place than something or someone.
accident
A2An unfortunate event causing damage or injury.
action
A2The process of doing something, typically to achieve an aim.
after
A2Following in time or place; later than.
afterward
A2At a later or subsequent time.
again
A2Another time; once more.
aged
B1Of a specified age.
alive
A2Living, not dead.
all
A2The whole quantity or extent of something; every single one.
