Overview
Deep (adjective) describes something that extends far below the surface, or something that is profound, intense, or complex. It can refer to physical depth or to the depth of thought and emotion.
For related concept in language, you may explore the verb deepen to express increasing depth, or contrast depth with the opposite idea in the page on Shallow.
Word Explained in Depth
This section offers a detailed look at the word Deep, including its meaning, definition, history, example sentences, synonyms, and antonyms.
Meanings of Deep
Deep means extending far down, intense or profound, hard to understand, or showing great insight and emotion.
Definition
The adjective Deep is defined as extending far below the surface, very intense or extreme, or intellectually or emotionally profound. The word “Deep” is widely used to describe something extending far below the surface or profound in meaning or intensity.
Etymology
The word “Deep” comes from Old English dēop, meaning “profound, deep, mysterious,” first attested in Old English texts around the 9th century. It is rooted in Proto-Germanic *deupaz, and related to Dutch “diep” and German “tief.”
Example Sentences
- The ocean here is very deep and mysterious.
- She has a deep understanding of human emotions.
- They shared a deep friendship over many years.
- The book left a deep impression on me.
- His voice was calm and deep, full of authority.
Deep Synonyms
- Profound
- Intense
- Vast
- Abyssal
- Thorough
- Comprehensive
- Insightful
- Extensive
- Bottomless
- Immeasurable
Deep Antonyms
- Shallow
- Superficial
- Simple
- Trivial
- Light
- Surface
- Open
- Obvious
- Transparent
- Minimal
FAQs about Word
What does “Deep” mean in everyday language?
It usually means something that extends far down or something very intense or profound.
Can “Deep” describe emotions?
Yes, “Deep” often describes emotions or thoughts that are intense or profound.
Is “Deep” only used for physical depth?
No, it’s also widely used to indicate intellectual, emotional, or abstract depth.
What part of speech is “Deep”?
“Deep” is primarily an adjective but can also be used as an adverb or noun in certain contexts.
Is “Deep” used in idioms?
Yes, phrases like “deep dive” or “deep down” show figurative meanings.
Can “Deep” be used to describe colors or flavors?
In figurative language, people sometimes describe colors or flavors as deep to convey intensity or richness.
Is “Deep” used as a noun or adverb?
Primarily an adjective, “Deep” can appear as an adverb in some expressions; it is rarely used as a noun in general usage.
In summary, Deep marks a sense of substantial magnitude—physical, emotional, or conceptual—in everyday language.
You may also explore related D words such as Positive words that start with D, Names that start with D, and Nouns that start with D.
Explore more D words
- Deepen – Meaning, Definition, Synonyms and Antonyms
- Shallow – Meaning, Definition, Synonyms and Antonyms
- Darkness – Meaning, Definition, Synonyms and Antonyms
- Depression – Meaning, Definition, Synonyms and Antonyms
- Deafening – Meaning, Definition Synonyms and Antonyms
- Superficial – Meaning, Definition, Synonyms and Antonyms
- Dimness – Meaning, Definition, Synonyms and Antonyms






