lifeless
Americanadjective
-
not endowed with life; having no life; inanimate.
lifeless matter.
- Synonyms:
- inorganic
- Antonyms:
- living
-
destitute of living things.
a lifeless planet.
-
deprived of life; dead.
a battlefield strewn with lifeless bodies.
- Synonyms:
- defunct
- Antonyms:
- living
-
without animation, liveliness, or spirit; dull; colorless; torpid.
a lifeless performance of a play.
- Synonyms:
- spiritless, sluggish, passive, inert, inactive
- Antonyms:
- lively
-
insensible, as a person who has fainted.
adjective
-
without life; inanimate; dead
-
not sustaining living organisms
-
having no vitality or animation
-
unconscious
Related Words
See dead.
Other Word Forms
- lifelessly adverb
- lifelessness noun
Etymology
Origin of lifeless
before 1000; Middle English lifles, Old English līflēas. See life, -less
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Mars is often portrayed as a dry, lifeless desert, but it is far more active than it appears.
From Science Daily • Apr. 5, 2026
The majority of its dozen tracks coast along with an agreeable yet lifeless electro-pop groove, with layered voices approximating the earnest and indistinct ballads of latter-day Coldplay.
From The Wall Street Journal • Mar. 10, 2026
England had vowed that, after lifeless defeats by Scotland and Ireland in the previous two rounds, Rome would be a return to the intensity and intent that marked a successful 2025.
From BBC • Mar. 7, 2026
Linas, a runner, started the Creek Team OC Instagram account after noticing changes on his runs along San Juan and Trabuco creeks, where lush green reeds suddenly turned brown and lifeless.
From Los Angeles Times • Mar. 6, 2026
Weightless because it’s lifeless, I suppose, but all dressed up in now-ragged clothes.
From "X: A Novel" by Ilyasah Shabazz
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
