As adjectives the difference between incommunicable and indefinable
is that incommunicable is that cannot be communicated or transmitted while indefinable is that cannot be precisely defined or put into words.
As a noun indefinable is
anything that cannot be defined.
incommunicable
English
Adjective
(
en adjective)
(of a disease etc) That cannot be communicated or transmitted
(of a person) Who does not communicate freely; uncommunicative or reserved
Antonyms
* communicable
Related terms
* incommunicability
indefinable
English
Adjective
(-)
That cannot be precisely defined or put into words
That defies description; indescribable
Synonyms
* undefinable (less common)
Antonyms
* definable
Related terms
* indefinability
Noun
(
en noun)
Anything that cannot be defined.