We found 4 dictionaries that define the word by itself:

General (3 matching dictionaries)

1. by itself: Merriam-Webster

Miscellaneous (1 matching dictionary)

2. by itself: Idioms

Phrases: key not used by itself, happen by itself, situated by itself, something that stands by itself, happening by itself, more... ▸ Words similar to by itself ▸ Usage examples for by itself ▸ Idioms related to by itself ▸ Wikipedia articles (New!) ▸ Words that often appear near by itself ▸ Rhymes of by itself ▸ Invented words related to by itself