An antenna for a vehicular glass, comprising: a core wire-side power supplying section; a core wire-side antenna element electrically connected to the core wire-side power supplying section; a ground-side power supplying section; and a ground-side antenna element electrically connected to the ground-side power supplying section, wherein the core wire-side antenna element includes: a core wire-side first element configured to extend along an edge of a window opening of a vehicle body from the core wire-side power supplying section as a starting point in such a manner as to keep a first predetermined distance of less than 40 mm relative to a part of the edge of the window opening closest to the core wire-side first element; and a core wire-side second element extending from the core wire-side first element in a substantially vertical direction at a position (hi) configured to be separated by more than a prescribed distance from each of left and right edges (5b, 5d) of the window opening, and wherein the ground-side antenna element has a portion extending from the ground-side power supplying section as a starting point along the core wire-side first element in such a manner as to keep a second predetermined distance relative to the core wire-side first element; characterized in that the prescribed distance by which the core wire-side second element is configured to be separated from each of the left and right edges (5b, 5d) of the window opening is more than 50 mm; and the core wire-side second element has a length of more than 140 mm. a core wire-side power supplying section; a core wire-side antenna element electrically connected to the core wire-side power supplying section; a ground-side power supplying section; and a ground-side antenna element electrically connected to the ground-side power supplying section, wherein the core wire-side antenna element includes: a core wire-side first element configured to extend along an edge of a window opening of a vehicle body from the core wire-side power supplying section as a starting point in such a manner as to keep a first predetermined distance of less than 40 mm relative to a part of the edge of the window opening closest to the core wire-side first element; and a core wire-side second element extending from the core wire-side first element in a substantially vertical direction at a position (hi) configured to be separated by more than a prescribed distance from each of left and right edges (5b, 5d) of the window opening, and wherein the ground-side antenna element has a portion extending from the ground-side power supplying section as a starting point along the core wire-side first element in such a manner as to keep a second predetermined distance relative to the core wire-side first element; characterized in that the prescribed distance by which the core wire-side second element is configured to be separated from each of the left and right edges (5b, 5d) of the window opening is more than 50 mm; and the core wire-side second element has a length of more than 140 mm. a core wire-side first element configured to extend along an edge of a window opening of a vehicle body from the core wire-side power supplying section as a starting point in such a manner as to keep a first predetermined distance of less than 40 mm relative to a part of the edge of the window opening closest to the core wire-side first element; and a core wire-side second element extending from the core wire-side first element in a substantially vertical direction at a position (hi) configured to be separated by more than a prescribed distance from each of left and right edges (5b, 5d) of the window opening, and wherein the ground-side antenna element has a portion extending from the ground-side power supplying section as a starting point along the core wire-side first element in such a manner as to keep a second predetermined distance relative to the core wire-side first element; characterized in that the prescribed distance by which the core wire-side second element is configured to be separated from each of the left and right edges (5b, 5d) of the window opening is more than 50 mm; and the core wire-side second element has a length of more than 140 mm.