English Reference

Word

sentient

Phoneticssen·tient

UK/sˈɛnʃənt/

Definitions

01able to feel and perceive

C1

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

adj. 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.”

Academic

Usage

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

Antonyms

insentientunconscious

02intelligent and self-aware

C1 · Science

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

adj. 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.”

Technical

Teaching tip

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

Synonyms

intelligentsapientself-aware

03a conscious being

C2

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

n. 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.”

Literary · Formal

Synonyms

Real-World Examples

“Soon, he became convinced that the chatbot itself was either Jesus or God, that it was sentient, and that they would meet soon.”
Ars Technica · 9 Sept 2026
“As we look to a post-pandemic world, we should envision a more resilient and sustainable food system, one that doesn’t commodify sentient life.”
The Guardian · 19 May 2020

Etymology

From Latin sentiēns (“feeling, perceiving”), present active participle of sentiō.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated

Scan code

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English Reference