Dictionary 1. (a.) Of or pertaining to a square, or to squares; resembling a quadrate, or square; square.2. (a.) Tetragonal. 3. (a.) Pertaining to terms of the second degree; as, a quadratic equation, in which the highest power of the unknown quantity is a square. Thesaurus aboveboard authentic biquadratic bona fide cube-shaped cubed cubic cubiform cuboid diced fair and square four four-legged four-rayed genuine good-faith oblong on the level on the square on the up-and-up open open and aboveboard orthogonal quadrangular quadrate quadratic quadric quadriform quadrilateral quadrinomial quadrivalent quadruped quartic quartile quaternary rectangular rhombic rhomboid single-hearted square square-dealing square-shooting straight straight-shooting tetractinal tetrad tetragonal tetrahedral tetravalent trapezohedral trapezoid up-and-up veritable |