Alone and Separate

Alone

Alone adjective - Not being in the company of others.
Usage example: no one realized the boy was alone in his room so they all left for the movies without him

Separate is a synonym for alone in solitary topic. In some cases you can use "Separate" instead the word "Alone" as an adjective or an adverb, when it comes to topics like position, apart.

Separate

Separate adjective - Not the same or shared.

Alone is a synonym for separate in characteristic topic. Sometimes you can use "Alone" instead the word "Separate" as an adjective or an adverb, if it concerns topics such as position, solitary, free-standing.

Both words in one sentence

  • Demonic Possession When Daemons were still part of the Chaos Space Marine army (as opposed to a separate army on their own) Daemons could not enter the mortal realm alone.
  • Series / Kyle XY In Season 2 alone, there were three separate Big Bads, all of which pretty much went unmentioned after they were defeated.
  • Series / Home Improvement In a separate episode (again on Tool Time), Tim hosts the show alone with a professional plumber with Al sick at home.
Cite this Source
Separate and Alone. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/alone/separate
Alone & Separate. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/alone/separate>.
Separate or Alone. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/alone/separate.
Google Ngram Viewer shows how "alone" and "separate" have occurred on timeline