“Eww, yuck!”

The crossword question asks for a four-letter word that means “Eww, yuck!“. The answer to this question is “BLEH“. “BLEH” is an expression of disgust commonly used when something is distasteful or unpleasant. It is an onomatopoeic word, which means it imitates the sound of someone spitting out something distasteful. So, in conclusion, “BLEH” is the perfect word to describe something that is gross or unappealing.