A connector includes a housing (10) having cavities (13) and deflectable and deformable locking lances (15) project into the cavities (13), and a front retainer (60) to be mounted into the housing (10) from the front. A terminal fitting (50) is inserted into the cavity (13) of the housing (10), and the locking lance (15) resiliently locks a lance receiving portion (54) so that rearward detachment of the terminal fitting (50) is restricted. The front retainer (60) includes a deflection restricting portion (77) configured to restrict the deflection of the locking lances (15), and a retaining portion (69) configured to lock retainer receiving portions (55) and retain the terminal fittings (50) by laterally approaching the terminal fittings (50) by a tilting displacement about a hinge (68) from an opening state to a closing state.