Alone
Alone adverb - Without aid or support.
On their own and alone are semantically related. In some cases you can use "On their own" instead an adverb "Alone".
On their own
Alone and on their own are semantically related. You can use "Alone" instead an adverb phrase "On their own".
Mutual synonyms
Both terms in one sentence
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At one point, Amy is alone with the Dream Lord on the TARDIS as the Doctor and Rory try to survive on their own in the other dream.
Source: I Have You Now, My Pretty -
These enemies are hard enough to fight on their own, let alone multiple ones PLUS their leader.
Source: Mook Maker - The castle folk by ones and twos came forward on their own To swear the Count had never once that night been all alone.
Source: Asshole Victim
Cite this Source
On their own and Alone. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/alone/on_their_own
Alone & On their own. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/alone/on_their_own>.
On their own or Alone. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/alone/on_their_own.
