Meanings
- Declined form of by oneself.
The kitten was sitting by itself on the sidewalk, mewing, apparently expecting its mother to appear at any moment.
Synonyms & antonyms
prepositional phraseSynonym of in itself.
Cite this entry
by itself. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/by%20itself
“by itself.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/by%20itself. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “by itself,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/by%20itself.
Source: by itself on Wiktionary, CC BY-SA 4.0.