by itself

phrase

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.

Examples of by itself in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Evidence of seat belt nonuse may not, by itself, establish a causal connection to the injuries claimed. — Kaitlyn Gomez, Miami Herald, 15 Sep. 2026 But the revelation that the Space Force is operating those kinds of assets is by itself a pretty hefty admission. — Josh Dinner, Space.com, 15 Sep. 2026 Passing all three tests, and confirming the market is large enough to be worth the effort, doesn’t build the business by itself. — Mustafa Abdelmonem, Forbes.com, 15 Sep. 2026 Not that game day roster commitment by itself guarantees anything. — Mike Sando, New York Times, 10 Sep. 2026 See All Example Sentences for by itself

Browse Nearby Words

Cite this Entry

“By itself.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/by%20itself. Accessed 24 Sep. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster