(a.) Alt. of Hydrodynamical.

a la mode advanced aerodynamic arrowlike automated avant-garde compact contemporary curved curvilinear dead straight direct efficient even far out fashionable flat flowing forward-looking horizontal hydrodynamic in in a line labor-saving level lineal linear mod modern modernistic modernized modish newfashioned now present-day present-time productive profitable progressive rectilineal rectilinear right ruler-straight simplified smooth straight straight-cut straight-front straight-side stripped down time-saving TRUE twentieth-century ultra-ultra ultramodern unbending unbent unbowed unbroken uncurved undeflected undeviating undistorted uninterrupted unswerving unturned up-to-date up-to-datish up-to-the-minute upright vertical way out