Alone
Alone adverb - Without aid or support.
Lock
Lock noun - One that is certain to succeed.
Both words in one sentence
-
Most people don't even know it exists, let alone bother to deactivate or password lock it.
- In Harry Potter and the Half-Blood Prince, there's a variation where Harry tells Dumbledore he's figured out that he can't just lock himself away and mourn Sirius, because Sirius would hate Harry to be alone.
Source: Hates Being Alone -
He's cute, in a "lock-your-doors, mace-in-hand, don't-be-alone-with-him" kind of way, and while none of the girls do anything to him, he gets slammed into a locker anyway.
Source: Film / Ninja Cheerleaders
Cite this Source
Lock and Alone. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/alone/lock
Alone & Lock. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/alone/lock>.
Lock or Alone. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/alone/lock.
Google Ngram Viewer shows how "alone" and "lock" have occurred on timeline