The antonyms for the word "be spatter" are clean, tidy, clear, and spotless. While "be spatter" refers to the act of spraying or sprinkling small drops of a liquid, dirt, or mud on a surface, the antonyms denote the opposite meaning of removing those unwanted drops or stains from a surface. To clean something means to make it free from dirt, dust, or any unwanted materials. To tidy something means to put things in order or arrange them neatly, leaving no room for clutter or mess. Clear means to make something void or empty, while spotless means free of any blemish or stain.