Definition of by itself
1
: without being directly controlled by a person : automatically
The computer shuts off by itself if you haven't used it for a while. The sprinkler will turn on by itself.
2
: with nothing nearby : alone
The house stood by itself at the end of the street.
Learn More About by itself
Statistics for by itself
Look-up Popularity
Cite this Entry
“By itself.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/by%20itself. Accessed 7 Dec. 2021.
Style: MLA
MLA
Chicago
APA
Merriam-Webster
Chicago
APA
Merriam-Webster
Test Your Vocabulary
Name that Thing: Flower Edition
-
- Name that flower
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share by itself