\Aft"er*most\, a. superl. [OE. eftemest, AS. [ae]ftemest,akin to Gothic aftumist and aftuma, the last, orig. a superlative of of, with the superlative endings -te, -me, -st.] 1. Hindmost; -- opposed to {foremost}. 2. (Naut.) Nearest the stern; most aft.