Pessimist

pes'i-mist, n. one who complains of everything being for the worst ’—opposed to Optimist. n. Pe imism. [From L. pe imus, worst.] P63t, pest, n. a deadly disease a plague anything destructive. [Fr. pcste—*L. pest is, a contagious disease. Pester, pcs'ter, v to disturb, to annoy. [Short for imposter, O. Fr. empestrer (Fr. empitrer), to entangle, from in, in, and Low L. pastorium the foot-shackle of a horse at pasture—L. pasius, pa p ol pusco, to feed.]