A terminal fitting comprising: an electric contact portion provided at one end and formed into a tube-like shape such that a mating terminal is fitted thereto; an electric wire connection portion provided at the other end, being adapted to fasten an electric wire; and a cap member fitted to a distal end of the electric contact portion and retained at the distal end of the electric contact portion, wherein a first engagement portion arranged to engage with the cap member is provided at the distal end of the electric contact portion, the first engagement portion being formed in a hook-like shape and provided with a projecting portion projecting from an edge of the distal end of the electric contact portion in a longitudinal direction of the electric contact portion, characterized in that a standing portion extending from a distal end of the projecting portion in a direction perpendicular to a longitudinal direction of the projecting portion, wherein the cap member is provided with a second engagement portion to engage with the first engagement portion, the second engagement portion being formed in a hook-like shape and provided with a standing piece extending from one end of the cap member in a direction parallel to a longitudinal direction of the standing portion to engage with the standing portion, the standing portion and the standing piece configured for fitting said cap member along a direction perpendicular to the longitudinal direction of the electric contact portion, and a bulge portion bulged from the standing piece in the longitudinal direction of the electric contact portion to engage with an inner circumferential face of the electric contact portion. an electric contact portion provided at one end and formed into a tube-like shape such that a mating terminal is fitted thereto; an electric wire connection portion provided at the other end, being adapted to fasten an electric wire; and a cap member fitted to a distal end of the electric contact portion and retained at the distal end of the electric contact portion, wherein a first engagement portion arranged to engage with the cap member is provided at the distal end of the electric contact portion, the first engagement portion being formed in a hook-like shape and provided with a projecting portion projecting from an edge of the distal end of the electric contact portion in a longitudinal direction of the electric contact portion, characterized in that a standing portion extending from a distal end of the projecting portion in a direction perpendicular to a longitudinal direction of the projecting portion, wherein the cap member is provided with a second engagement portion to engage with the first engagement portion, the second engagement portion being formed in a hook-like shape and provided with a standing piece extending from one end of the cap member in a direction parallel to a longitudinal direction of the standing portion to engage with the standing portion, the standing portion and the standing piece configured for fitting said cap member along a direction perpendicular to the longitudinal direction of the electric contact portion, and a bulge portion bulged from the standing piece in the longitudinal direction of the electric contact portion to engage with an inner circumferential face of the electric contact portion.