Meaning of the word "in name only" in English

What does "in name only" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

in name only

US /ɪn neɪm ˈoʊnli/
UK /ɪn neɪm ˈəʊnli/
"in name only" picture

Idiom

existing in title or theory but not in reality

Example:
He is the manager in name only; his assistant does all the real work.
Their marriage was in name only; they lived separate lives.