The antonyms for the word "un-hearable" can be words like audible, clear, discernible, distinguishable, hearable, intelligible, loud, noticeable, perceptible, and recognizable. These words are used to refer to sounds or voices that are easily heard or understood. The word "audible" refers to a sound that can be heard clearly, whereas "distinguishable" means that a sound is capable of being identified as separate and distinct from other sounds. "Loud" refers to a sound that is strong and easily heard, while "intelligible" suggests that the sound can be easily understood. Overall, these antonyms are helpful in describing sounds or voices that can be heard or understood easily.