The antonyms for the word "un-speakable" are "speakable", "utterable", "expressible", "articulate", and "audible". These words refer to actions or attitudes that do not cause an individual to feel uncomfortable, uneasy, or unable to talk about them. "Speakable" refers to something that can be spoken without fear or hesitation. "Utterable" means that something can be expressed or communicated without difficulty. "Expressible" means that something can be conveyed or made known by words. "Articulate" refers to the ability to speak clearly and effectively, while "audible" simply means something can be heard. All these antonyms help to indicate the level of comfort associated with speech or expression.