Calvin Coolidge cal·vin·coo·lidge uncommon noun 1. elected Vice President and succeeded as 30th President of the United States when Harding died in 1923 (1872-1933) SynonymsCoolidgeCalvin CoolidgePresident Coolidge Related words Broader terms President of the United States WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.