Over - numerous - ness - es
Overnumerousnesses, eighteen letters long, is the longest English word that consists of only letters that lack ascenders, descenders, and dots in lower case. Overnervousnesses is seventeen letters. Sixteen letter words with this property include curvaceousnesses and overnumerousness. Fifteen letter words with this property include erroneousnesses, nonconcurrences, overnervousness, and verrucosenesses.
don't you love it!
