Become Dim is a term used to describe the process of something becoming less visible or noticeable. The crossword solutions for this term are BLUR (4 letters), FADE (4 letters), and Fades (5 letters). BLUR is a verb that means to become unclear or indistinct, while FADE is a verb that means to gradually become weaker or less distinct. Fades is the third person singular form of the verb FADE, meaning that something is gradually becoming weaker or less distinct.