11-Letter Words Containing: E,P,E,N,S

• confusion resulting from failure to understand

• intelligent somewhat arboreal ape of equatorial African forests

• in an expensive manner

• in an impressively expansive manner

• in an ebullient manner

• a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun

• a cephalosporin antibiotic (trade names Keflex and Keflin and Keftab) commonly prescribed for mild to moderately severe infections of the skin or ears or throat or lungs or urinary tract