The antonyms for the word "in-expressible" are "expressible," "utterable," "spoken," "verbalizable," "communicable," "articulate," "vocal," "pronounceable," "voiced," "spoken," and "tangible." Expressible means capable of being conveyed through words or gestures. Utterable refers to something that can be spoken or communicated. Communicable is used to describe something that can be passed on to others or shared. Articulate refers to the ability to express thoughts and ideas clearly and coherently. Verbalizable means that something can be expressed in words. Tangible refers to something that can be touched or physically experienced.