adjectival nouns or quasi-adjectives (keiyodoshi)nouns which may take the genitive case particle 'no'noun (common) (futsuumeishi) yojijukugo being of unbounded energy;being with matchless vigor;having endless sexual stamina

nouns which may take the genitive case particle 'no'adjectival nouns or quasi-adjectives (keiyodoshi)noun (common) (futsuumeishi) matchless;peerless;unequaled;unequalled;unparalleled;unrivaled