noun which may take the genitive case particle 'no'
in name only; nominal; titular
Describes something that has a title or appearance but lacks real substance or authority. Often used critically.
He is a department head in name only, with no real authority.
That company only has a training program in name.
Compound of 名 (name) and ばかり (only, nothing but). The phrase literally means 'only the name', implying that the substance is lacking.