/ ləʊn; NAmE loʊn/ adjective [ only before noun ]
1.
without any other people or things
SYN solitary :
a lone sailor crossing the Atlantic
2.
( especially BrE ) without a husband, wife or partner to share the care of children
SYN single :
a lone mother / parent / father
➡ note at alone
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IDIOMS
- a lone wolf
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WORD ORIGIN
late Middle English : shortening of alone .