Mean Business is an expression used to describe someone who is serious and determined in their actions. The term can be broken down into five crossword solutions: EVIL (4 letters), CRUCIAL (7 letters), TALKTURKEY (10 letters), KNOWONESOWNMIND (15 letters), and MEANWHATONESAYS (15 letters). EVIL implies that the person is willing to do whatever it takes to achieve their goals, while CRUCIAL suggests that the person is decisive and makes important decisions. TALKTURKEY implies that the person speaks plainly and directly, while KNOWONESOWNMIND suggests that the person is confident and sure of themselves. Finally, MEANWHATONESAYS implies that the person is reliable and follows through on their promises. Together, these five words paint a picture of someone who is serious, determined, decisive, confident, and reliable - someone who means business.