Abstract: A connector including a separate terminal retainer for retaining terminals in a connector housing where the retainer can be disengaged from the connector housing without the use of external jigs. The connector includes the connector housing having a plurality of terminal accommodating chambers, and the terminal retainer adapted to be connected to a rear portion of the connector housing in a two-step manner, i.e. a provisional engagement condition and a complete engagement condition, and movable relative to the connector housing. The terminal retainer has flexible retaining pieces and flexible support pieces. In the complete engagement condition, the flexible retaining pieces are engaged with respective metal terminals by their own flexibility, and the flexible support pieces are guided and elastically bent by the drive surfaces of the connector housing to be engaged with respective metal terminals.