Words that Rhyme with smithsonian
4 Syllable Words
andonian, bostonian, devonian, draconian, estonian, gorgonian, houstonian, jacksonian, melkonian, newtonian, plutonian, simonian
5 Syllable Words
amazonian, apollonian, babylonian, caledonian, jeffersonian, macedonian, oregonian, patagonian, washingtonian
Definitions of smithsonian
a. Of or pertaining to the Englishman J. L. M. Smithson, or to the national institution of learning which he endowed at Washington, D. C.; as, the Smithsonian Institution; Smithsonian Reports.
n. The Smithsonian Institution.