Invisible, intangible...?
Are there words like "invisible" or "intangible" that also apply to the other senses? Intasteable? Inhearable? Insmellable?

Question

Answer

Insomatosensible—untouchable 
Ungustatorable—untasteable 
Inolfactoroble—unsmellable

Or—mere oblivion

Sans teeth, sans eyes, sans taste, sans everything.

Answer

Some are, (well - one is! ;) and others are  different.
Intasteable?  Tasteless
Inhearable? Inaudible
Insmellable? Odourless
Intangible, although technically meaning 'unable to be touched' has a slightly different meaning - more of 'not being real'.

Answer

For hearing, you can use "inaudible", but for the other senses you may need to use "imperceptible"

Não perca a oportunidade de aprender uma língua no conforto da sua casa. Navegue pela nossa seleção de professores de línguas experientes e inscreva-se na sua primeira aula agora mesmo!