Which is the closest antonym for word vocal?

The closest antonym for "vocal" depends on the context. Here are a few possibilities:

If "vocal" means "expressing oneself verbally," then the antonyms could be:

* Silent

* Mute

* Quiet

* Taciturn

If "vocal" means "expressing support or opposition," then the antonyms could be:

* Passive

* Indifferent

* Neutral

* Apathetic

If "vocal" refers to music produced by the voice, then the antonyms could be:

* Instrumental

* Non-vocal

* A cappella (though this refers to music without instrumental accompaniment, not necessarily without voices)

It's important to consider the specific context of the word "vocal" to choose the most appropriate antonym.