MULISH Meaning of MULISH in English — mulishly , adv. — mulishness , n./myooh"lish/ , adj.of or like a mule, as being very stubborn, obstinate, or intractable. [ 1745-55; MULE 1 + -ISH 1 ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012