Synset

lacking companions or companionship
<adj.all>   (p)   (a)   (a)   freq. cnt.: 9 freq. cnt.: 4 freq. cnt.: 4 freq. cnt.: 1

alone

lone

lonely

solitary

sample sentences

"he was alone when we met him"
"she is alone much of the time"
"the lone skier on the mountain"
"a lonely fisherman stood on a tuft of gravel"
"a lonely soul"
"a solitary traveler"