- perforate: To make a hole or holes through.
- perform: To accomplish.
- perfumery: The preparation of perfumes.
- perfunctory: Half-hearted.
- perhaps: Possibly.
- perigee: The point in the orbit of the moon when it is nearest the earth.
- periodicity: The habit or characteristic of recurrence at regular intervals.
- peripatetic: Walking about.
- perjure: To swear falsely to.
- perjury: A solemn assertion of a falsity.
- permanence: A continuance in the same state, or without any change that destroys the essential form or nature.
- permanent: Durable.
- permeate: To pervade.
- permissible: That may be allowed.
- permutation: Reciprocal change, different ordering of same items.
- pernicious: Tending to kill or hurt.
- perpendicular: Straight up and down.
- perpetrator: The doer of a wrong or a criminal act.
- perpetuate: To preserve from extinction or oblivion.
- perquisite: Any profit from service beyond the amount fixed as salary or wages.
- persecution: Harsh or malignant oppression.
- perseverance: A persistence in purpose and effort.
- persevere: To continue striving in spite of discouragements.
- persiflage: Banter.
- persist: To continue steadfast against opposition.
- persistence: A fixed adherence to a resolve, course of conduct, or the like.
- personage: A man or woman as an individual, especially one of rank or high station.
- personal: Not general or public.
- personality: The attributes, taken collectively, that make up the character and nature of an individual.
- personnel: The force of persons collectively employed in some service.
- perspective: The relative importance of facts or matters from any special point of view.
- perspicacious: Astute.
- perspicacity: Acuteness or discernment.
- perspicuous: Lucid.
- perspiration: Sweat.
- perspire: To excrete through the pores of the skin.
- persuadable: capable of influencing to action by entreaty, statement, or anything that moves the feelings.
- persuade: To win the mind of by argument, eloquence, evidence, or reflection.
- pertinacious: Persistent or unyielding.
- pertinacity: Unyielding adherence.
- pertinent: Relevant.
- perturb: To disturb greatly.
- perturbation: Mental excitement or confusion.
- perusal: The act of reading carefully or thoughtfully.
- pervade: To pass or spread through every part.
- pervasion: The state of spreading through every part.
- pervasive: Thoroughly penetrating or permeating.
- perverse: Unreasonable.
- perversion: Diversion from the true meaning or proper purpose.
- perversity: Wickedness.