# deeply

/ˈdipɫi/ (US) · /dˈiːpli/ (UK)

Source: https://englishreference.com/word/deeply
Updated: 2026-06-19

## Senses

### 1. very much

adverb · CEFR B1

to a very great degree, especially when talking about feelings or beliefs.

For teachers: to a profound extent; used to intensify verbs of feeling, belief, or psychological states.

- I am deeply sorry for the mistake I made yesterday.
- The community was deeply affected by the closure of the local library, which had served as a vital social hub for decades.

### 2. far down or inside

adverb · CEFR B1

extending far down from the surface or far into the center of something.

For teachers: extending a significant distance downward or inward from a surface or edge.

- The roots of the old oak tree go deeply into the ground.
- The explorers ventured deeply into the cave system, eventually discovering a series of underground lakes that had never been mapped.

### 3. with a lot of air

adverb · CEFR B1

taking a lot of air into your lungs.

For teachers: referring to the intake of a large volume of air during respiration.

- Take a breath deeply and try to relax your shoulders.
- The doctor asked the patient to breathe deeply while she listened to his lungs with a stethoscope.

### 4. sleeping heavily

adverb · CEFR B2

sleeping so well that it is difficult to wake you up.

For teachers: in a state of profound or heavy sleep; difficult to rouse.

- The baby was sleeping so deeply that the loud thunder didn't wake him.
- Exhausted after the marathon, she slept so deeply that she completely missed her alarm the following morning.

## Examples

- She is deeply in love with her partner.
- The scientist was deeply concerned about the impact of the new policy on local wildlife habitats.
- The novel explores how historical events can deeply affect the collective memory of a nation, shaping its identity for generations to come.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.