Adjective

• S: (adj) alone, lone, lonely, solitary (lacking companions or companionship) "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"
• S: (adj) lone, lonely, solitary (characterized by or preferring solitude) "a lone wolf"; "a lonely existence"; "a man of a solitary disposition"; "a solitary walk"
• S: (adj) lone, lonesome, only, sole, solitary (being the only one; single and isolated from others) "the lone doctor in the entire county"; "a lonesome pine"; "an only child"; "the sole heir"; "the sole example"; "a solitary instance of cowardice"; "a solitary speck in the sky"