Kettle of Fish is an idiom that originated in the 16th century and is used to describe a confusing or difficult situation. The crossword solutions for this term are STEW (4 letters), MESS (4 letters), PICKLE (6 letters), MUDDLE (6 letters), and SCRAPE (6 letters). All of these words can be used to describe a complicated or chaotic situation, with STEW and MESS being the most commonly used. PICKLE, MUDDLE, and SCRAPE are less common but still refer to a difficult or confusing situation.