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perturb to cause great disturbance in (the mind); agitate or worry. [3 definitions]
perturbable combined form of perturb.
perturbation the act of perturbing, or the condition of being perturbed.
pertussis whooping cough.
Peru a South American country on the Pacific coast between Ecuador and Chile.
peruke a wig such as those worn by men in the seventeenth and eighteenth centuries, often powdered, arranged in large rolls over the ears, and tied at the nape in a ribbon; periwig.
perusal the act or an instance of reading. [2 definitions]
peruse to read or examine attentively and in detail.
pervade to spread or be present everywhere in; permeate.
pervasive spreading or present everywhere or throughout.
perverse stubbornly opposed to what is expected or requested of one, or marked by or inclined toward such an attitude. [3 definitions]
perversion an act or instance of perverting, or the condition of being perverted. [2 definitions]
perversity the quality or condition, or an instance, of being perverse.
pervert to lead astray or corrupt. [5 definitions]
perverted being opposite to or different from what is considered right or proper; wicked; distorted. [2 definitions]
pervious subject to passage or entrance, as by water; permeable. [2 definitions]
Pesach see Passover.
peseta a chief monetary unit, along with the franc, of Andorra, equaling one hundred centimos. [2 definitions]
pesewa the smaller monetary unit of Ghana. (Cf. cedi.)
pesky (informal) pestering or annoying.
peso the chief monetary unit of Argentina, Chile, Colombia, Cuba, the Dominican Republic, Guinea-Bissau, Mexico, and the Philippines, equaling one hundred centavos. [3 definitions]