- oversee: To superintend.
- overseer: A supervisor.
- overshadow: To cast into the shade or render insignificant by comparison.
- overstride: To step beyond.
- overthrow: To vanquish an established ruler or government.
- overtone: A harmonic.
- overture: An instrumental prelude to an opera, oratorio, or ballet.
- overweight: Preponderance.
- pacify: To bring into a peaceful state.
- packet: A bundle, as of letters.
- pact: A covenant.
- pagan: A worshiper of false gods.
- pageant: A dramatic representation, especially a spectacular one.
- palate: The roof of the mouth.
- palatial: Magnificent.
- paleontology: The branch of biology that treats of ancient life and fossil organisms.
- palette: A thin tablet, with a hole for the thumb, upon which artists lay their colors for painting.
- palinode: A retraction.
- pall: To make dull by satiety.
- palliate: To cause to appear less guilty.
- pallid: Of a pale or wan appearance.
- palpable: perceptible by feeling or touch.
- palsy: Paralysis.
- paly: Lacking color or brilliancy.
- pamphlet: A brief treatise or essay, usually on a subject of current interest.
- pamphleteer: To compose or issue pamphlets, especially controversial ones.
- Pan-American: Including or pertaining to the whole of America, both North and South.
- panacea: A remedy or medicine proposed for or professing to cure all diseases.
- pandemic: Affecting a whole people or all classes, as a disease.
- pandemonium: A fiendish or riotous uproar.
- panegyric: A formal and elaborate eulogy, written or spoken, of a person or of an act.
- panel: A rectangular piece set in or as in a frame.
- panic: A sudden, unreasonable, overpowering fear.
- panoply: A full set of armor.
- panorama: A series of large pictures representing a continuous scene.
- pantheism: The worship of nature for itself or its beauty.
- Pantheon: A circular temple at Rome with a fine Corinthian portico and a great domed roof.
- pantomime: Sign-language.
- pantoscope: A very wide-angled photographic lens.
- papacy: The official head of the Roman Catholic Church.
- papyrus: The writing-paper of the ancient Egyptians, and later of the Romans.
- parable: A brief narrative founded on real scenes or events usually with a moral.
- paradox: A statement or doctrine seemingly in contradiction to the received belief.
- paragon: A model of excellence.
- parallel: To cause to correspond or lie in the same direction and equidistant in all parts.
- parallelism: Essential likeness.
- paralysis: Loss of the power of contractility in the voluntary or involuntary muscles.
- paralyze: To deprive of the power to act.
- paramount: Supreme in authority.
- paramour: One who is unlawfully and immorally a lover or a mistress.