deaf as a post vs profoundly deaf

deaf as a post and profoundly deaf both are adjectives.

Word	Noun	Adjective	Verb	Adverb
deaf as a post	No	Yes	No	No
profoundly deaf	No	Yes	No	No

As adjectives, deaf as a post and profoundly deaf are synonyms defined as:

deaf as a post and profoundly deaf: totally deaf; unable to hear anything

Other synonyms of deaf as a post include stone-deaf, unhearing.

deaf as a post (adjective)	profoundly deaf (adjective)
totally deaf; unable to hear anything	totally deaf; unable to hear anything