I had from eleven-thirty to one P.M. an absolute supergrand talk with Adolph Meyer and John Watson. He is a grand young southerner and simply knows his behavioristic psychology in a way to make one's hair stand up. We talked my plan clear out and they are enthusiastic.... Things are going grandly.
Source: wiktionary
Meanwhile old Mrs. Hastings would stay with him, and she never paid much attention to anything he did; so it was a perfect time to really make a grand, supergrand, hide-out!
Source: wiktionary
A swarm of foreshocks, the main shock, and aftershocks on the supergrand scale was that of Chilean earthquakes of 1960.
Source: wiktionary