Related formsprog·na·thism [prog-nuh-thiz-uh m] /ˈprɒg nəˌθɪz əm/, prog·na·thy, nounhy·per·prog·na·thous, adjective
Examples from the Web for prognathous
"Prognathous," thought M. Ginory, as he noticed this characteristic.The Crime of the Boulevard|Jules Claretie
His prognathous jaw carried out the angle of a low forehead.Where the Pavement Ends|John Russell
Mr. Ainley, prognathous, salicylic and partially oxydised, made a superb lover.
They are of very light colour, have fine noses, well-cut and not over-full lips, while the prognathous jaw is uncommon.How I Found Livingstone|Henry M. Stanley
Whereas, all America can scarcely furnish an example of the kind among the prognathous race.