A movable connector comprising: a first fixed housing mounted a board; a second movable housing that is fitted and connected to a connection object; and a terminal that connects the first housing and the second housing wherein the terminal includes a first fixing portion fixed to the first housing, a second fixing portion fixed to the second housing, a square wave-shaped spring portion connecting the first fixing portion and the second fixing portion and supporting the second housing displaceably relative to the first housing, and a contact portion that is conductively contacted with the connection object and extends from the second fixing portion, the square wave-shaped spring portion has an upper piece portion and a lower piece portion having a linear shape extending in a direction intersecting with a fitting direction (z) in which the connection object is fitted and connected to the second housing, a first extending portion connecting a first end of the upper piece portion and the first fixing portion via a corner portion, a second extending portion connecting a second end of the upper piece portion and a first end of the lower piece portion via corner portions, and an inner vertical piece portion where a first end is connected to the second end of the lower piece and a second end is connected to the second fixing portion, wherein the square wave-shaped spring portion is displaceable in the fitting direction (z) and the direction (y) intersecting with the fitting direction (z). a first fixed housing mounted a board; a second movable housing that is fitted and connected to a connection object; and a terminal that connects the first housing and the second housing wherein the terminal includes a first fixing portion fixed to the first housing, a second fixing portion fixed to the second housing, a square wave-shaped spring portion connecting the first fixing portion and the second fixing portion and supporting the second housing displaceably relative to the first housing, and a contact portion that is conductively contacted with the connection object and extends from the second fixing portion, the square wave-shaped spring portion has an upper piece portion and a lower piece portion having a linear shape extending in a direction intersecting with a fitting direction (z) in which the connection object is fitted and connected to the second housing, a first extending portion connecting a first end of the upper piece portion and the first fixing portion via a corner portion, a second extending portion connecting a second end of the upper piece portion and a first end of the lower piece portion via corner portions, and an inner vertical piece portion where a first end is connected to the second end of the lower piece and a second end is connected to the second fixing portion, wherein the square wave-shaped spring portion is displaceable in the fitting direction (z) and the direction (y) intersecting with the fitting direction (z). a first fixing portion fixed to the first housing, a second fixing portion fixed to the second housing, a square wave-shaped spring portion connecting the first fixing portion and the second fixing portion and supporting the second housing displaceably relative to the first housing, and a contact portion that is conductively contacted with the connection object and extends from the second fixing portion, the square wave-shaped spring portion has an upper piece portion and a lower piece portion having a linear shape extending in a direction intersecting with a fitting direction (z) in which the connection object is fitted and connected to the second housing, a first extending portion connecting a first end of the upper piece portion and the first fixing portion via a corner portion, a second extending portion connecting a second end of the upper piece portion and a first end of the lower piece portion via corner portions, and an inner vertical piece portion where a first end is connected to the second end of the lower piece and a second end is connected to the second fixing portion, wherein the square wave-shaped spring portion is displaceable in the fitting direction (z) and the direction (y) intersecting with the fitting direction (z).