A liquid crystal compound is provided and includes a region in which an aromatic heterocyclic ring and an aromatic hydrocarbon ring linked together through a single bond, the liquid crystal compound expressing a nematic liquid crystal phase satisfying relational expression (1): 1.1 = (nx - nz)/(nx - ny) = 20 nx, ny and nz represent refractive indexes in three intersecting directions of the nematic liquid crystal phase, nx is the largest refractive index, and nz is the smallest refractive index.
Liquid crystal compound, liquid crystal composition, thin film, and liquid crystal display