Contaminate is a term used to describe the process of making something impure or unclean. SMEAR, DESECRATE, BEFOUL, PUTREFY, BLACKEN, DECOMPOSE, TARNISH, MUDDY, FOUL, POISON, BLUR, HURT, HARM, TAINT, DEFILE, INFECT, and POLLUTE are all words that can be used to describe the act of contaminating something. SMEAR is a five-letter word meaning to spread or SMEAR a substance over a surface. DESECRATE is a nine-letter word meaning to violate the sanctity of a place or object. BEFOUL is a six-letter word meaning to make something dirty or filthy. PUTREFY is a seven-letter word meaning to rot or decay. BLACKEN is a seven-letter word meaning to make something dark or discolored. DECOMPOSE is a nine-letter word meaning to break down or decay. TARNISH is a seven-letter word meaning to make something dull or discolored. MUDDY is a five-letter word meaning to make something dirty or MUDDY. FOUL is a four-letter word meaning to make something dirty or unpleasant. POISON is a six-letter word meaning to contaminate with a toxic substance. BLUR is a four-letter word meaning to make something unclear or indistinct. HURT is a four-letter word meaning to cause physical or emotional pain. HARM is a four-letter word meaning to cause injury or damage. TAINT is a five-letter word meaning to contaminate or spoil. DEFILE is a six-letter word meaning to make something unclean or impure. INFECT is a six-letter word meaning to contaminate with a disease-causing organism. POLLUTE is a seven-letter word meaning to make something impure or unclean.