Connector assembly and male-side connector

A connector assembly, comprising:

• a male-side connector having a male-type terminal portion;
• a female-side connector having a female-type terminal portion, the male-side connector and the female-side connector being united with each other while the male-type terminal portion and the female-type terminal portion are brought into contact with each other;
• a first guide projection provided on one of opposite surfaces of the male-side connector and the female-side connector that face with each other, the first guide projection having a projection height that is higher than that of the male-type terminal portion;
• and
• a hole portion formed at the other of the opposite surfaces, the hole portion having a size allowing slight movement of the first guide projection, wherein the male-type terminal portion and the female-type terminal portion are positioned with each other by the first guide projection being inserted through the hole portion.