Adjective:

અવર્ણનીય, અકથ્ય, અપ્રગટ,

sniffable's Usage Examples:

She chaired a select committee into substance abuse, and was the relevant minister during the roll-out of non-sniffable Opal fuel across remote indigenous communities.

"Poppers, legally sniffable, becoming a big business; The FDA isn"t interested".

Since the introduction of non-sniffable fuel throughout central Australia, Watarru has stocks of suitable unleaded.

Opal is a non-sniffable fuel (which is much less likely to cause a high) and has made a difference.

substance abuse, and was the relevant minister during the roll-out of non-sniffable Opal fuel across remote Indigenous communities.