American Heritage Dictionary
(3)
Century Dictionary
(2)
GNU Webster's 1913
WordNet
(3)
Elsewhere on the web
Sesquipedalian has been looked up 1689 times, favorited 31 times, listed 276 times, and commented on 35 times.

Century Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word about once a year.
Recent Lookupsmaria · fluke · Dantonists · Become · reared |
Recent FavoritesTelePalmter · Espoo · stick-to-it-iveness · supine · doxastic |
Recent Pronunciationsmilosrdenstvi · lichen-covered · futon · sagacity · monoragngocious |