Solitary
Part of speech: adjective
Definition: Living or being by one's self; alone; having no companion present; being without associates. Lonely. Performed, passed, or endured alone; as, a solitary journey; a solitary life. Not much visited or frequented; remote from society; retired; as, a solitary residence or place. Not inhabited or occupied; without signs of inhabitants or occupation; desolate; deserted; silent; still; hence, gloomy; dismal; as, the solitary desert. Single; individual; sole; as, a solitary instance of vengeance; a solitary example. Not associated with others of the same kind.
Part of speech: noun
Definition: One who lives alone, or in solitude; an anchoret; a hermit; a recluse.
Example sentence: If one is lucky, a solitary fantasy can totally transform one million realities.
Lonesome
Part of speech: adjective
Definition: unhappy due to being alone; lonely
Part of speech: noun
Definition: oneself alone
Example sentence: You play a 'lowdown dirty shame slow and lonesome, my mama dead, my papa across the sea I ain't dead but I'm just supposed to be' blues. You can take that same blues, make it uptempo, a shuffle blues, that's what rock n' roll did with it. So blues ain't going nowhere. Ain't goin' nowhere.