In the title compound, C28H19FN2O, the phenanthrene fused with an imidazole ring, constituting an essentially planar tetra-cyclic system [maximum deviation = 0.032 (2) Å], makes dihedral angles of 60.83 (4) and 80.55 (4)° with the fluoro-benzene and meth-oxy-benzene rings, respectively. The dihedral angle between the the meth-oxy-benzene and fluoro-benzene rings is 69.45 (6)°. In the crystal, C-H⋯O hydrogen bonds connect the mol-ecules into infinite strands along the b axis. The crystal structure is further consolidated by C-H⋯π inter-actions.