unfounded (argument, baseless)

ungerechtfertigt (a) (argument)

unbegründet (a) (argument)

grundlos (a) (baseless)

unbegründet (a) (baseless)

invalide (a) [m.] (argument)

sans fondement (a) (argument)

sans fondement (a) (baseless)

sans base (a) (baseless)

dénué de tout fondement (a) (argument)

non valide (a) (argument)

non valable (a) (argument)

infondato (a) (argument)

infondato (a) (baseless)

senza fondamento (a) (baseless)

poco valido (a) (argument)

infundado (a) (baseless)

sin base (a) (baseless)

nulo (a) (argument)

sin fundación (a) (argument)

invalido (a) (argument)

ongegrond (a) (argument)

ongegrond (a) (baseless)

ongefundeerd (a) (argument)

ongefundeerd (a) (baseless)

ongerechtvaardigd (a) (argument)

grundlös (a) (baseless)

ogrundad (a) (argument)

ogrundad (a) (baseless)

orättfärdig (a) (argument)

inválido (a) [m.] (argument)

infundado (a) (argument)

infundado (a) (baseless)

sem base (a) (baseless)