noun which may take the genitive case particle 'no', noun
of no fixed abode; having no fixed address
Used in official or formal contexts to describe a person without a permanent residence. Often appears in phrases like 住所不定の or 住所不定者.
He moves from place to place with no fixed address.
警察は住所不定者を保護した。
The police took a person of no fixed abode into protective custody.