also: ひとりぽっち
noun, noun which may take the genitive case particle 'no'
Describes the state of being alone, often with a nuance of loneliness or isolation. Can be used as a noun or adjectivally with の.
彼は一人ぼっちで暮らしている。
He lives alone.
独りぼっちの夜は寂
A night alone is lonely.