1. not under observation, not on one's radar, unnoticed

nouns which may take the genitive case particle 'no' noun (common) (futsuumeishi)

2. unmarked (player), unguarded, uncovered

nouns which may take the genitive case particle 'no' noun (common) (futsuumeishi) sports

3. unmarked (item, etc.), without a mark

noun (common) (futsuumeishi) nouns which may take the genitive case particle 'no'