# sentient

/sˈɛnʃənt/ (UK)

Source: https://englishreference.com/word/sentient
Updated: 2026-08-27

## Senses

### 1. able to feel and perceive

adjective · CEFR C1 · Academic

able to experience feelings and use senses to understand the world.

For teachers: capable of experiencing sensation and conscious perception. The term is often used to distinguish living beings from inanimate objects or simple organisms.

- Many people believe that all animals are sentient and deserve to be treated with kindness.
- Ethical debates regarding animal welfare often hinge on the degree to which a species is considered sentient and capable of suffering.

Usage: Commonly used in philosophical or scientific contexts to describe the baseline of consciousness.

### 2. intelligent and self-aware

adjective · CEFR C1 · Technical

having a high level of intelligence and awareness, like a human.

For teachers: possessing human-like intelligence, self-awareness, and the capacity for complex thought.

- In the movie, the robot becomes sentient and starts to have its own feelings.
- The researchers debated whether the advanced AI had truly become sentient or was merely simulating human-like responses with high accuracy.

Teaching tip: In science fiction, 'sentient' is often used where 'sapient' (wise/intelligent) would be technically more accurate.

### 3. a conscious being

noun · CEFR C2 · Literary · Formal

a living being that has the ability to feel and think.

For teachers: a being or lifeform characterized by the capacity for sensation and consciousness.

- The philosopher argued that every sentient has a right to live without pain.
- The treaty was designed to protect the rights of every sentient within the federation, regardless of their biological origin.

## Examples

- Scientists wonder if some robots will ever become sentient.
- The law was changed to recognize that animals are sentient beings capable of feeling pain and distress.
- The debate over artificial intelligence often centers on whether a complex algorithm can truly be sentient or if it is merely simulating the appearance of consciousness through data processing.

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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.