The term 'obstinate type' can be described by two crossword solutions: MULE (4 letters) and ASS (3 letters). A MULE is a hybrid animal, the offspring of a male donkey and a female horse. It is known for its stubbornness and strength, making it an apt symbol for an obstinate type. An ASS is another name for a donkey, which is also known for its stubbornness and strength. Both animals are often used as symbols for someone who is stubborn and unyielding.