/ ˈləʊnli; NAmE ˈloʊn-/ adjective ( lone·lier , lone·li·est )
1.
unhappy because you have no friends or people to talk to :
She lives alone and often feels lonely.
2.
( of a situation or period of time ) sad and spent alone :
all those lonely nights at home watching TV
3.
[ only before noun ] ( of places ) where only a few people ever come or visit
SYN isolated :
a lonely beach
➡ note at alone
► lone·li·ness noun [ U ]:
a period of loneliness in his life
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WORD ORIGIN
late 16th cent.: from lone + -ly .