lonelier; loneliest
Definition of lonely
1a
: being without company : lone
too many lonely nights at home
b
: cut off from others : solitary
the train stopped frequently at lonely little stations— Robert Hichens
2
: not frequented by human beings : desolate
a lonely spot in the woods
3
: sad from being alone : lonesome
He was feeling lonely without his wife and children.
4
: producing a feeling of bleakness or desolation
it's a lonely thing to be a champion— G. B. Shaw
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Merriam-Webster unabridged
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Time Traveler for lonely
The first known use of lonely was circa 1598
See more words from the same year