Level 19
Level 20

1901 - 1999


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opaque
adj. Impervious to light.
operetta
n. A humorous play in dialogue and music, of more than one act.
opprobrium
n. The state of being scornfully reproached or accused of evil.
optician
n. One who makes or deals in optical instruments or eye-glasses.
optometry
n. Measurement of the powers of vision.
opulence
n. Affluence.
opulent
adj. Wealthy.
orate
v. To deliver an elaborate or formal public speech.
oration
n. An elaborate or formal public speech.
oratorio
n. A composition for solo voices, chorus, and orchestra, generally taken from the Scriptures.
oratory
n. The art of public speaking.
ordinal
n. That form of the numeral that shows the order of anything in a series, as first, second, third.
ordination
n. A consecration to the ministry.
orthogonal
adj. Having or determined by right angles.
oscillate
v. To swing back and forth.
osculate
v. To kiss.
ossify
v. to convert into bone.
ostentation
n. A display dictated by vanity and intended to invite applause or flattery.
ostracism
n. Exclusion from intercourse or favor, as in society or politics.
ostracize
v. To exclude from public or private favor.
outcry
n. A vehement or loud cry or clamor.
out-of-the-way
adj. Remotely situated.
outreach
v. To reach or go beyond.
outrigger
n. A part built or arranged to project beyond a natural outline for support.
outstrip
v. To go beyond.
overeat
v. To eat to excess.
overhang
n. A portion of a structure which projects or hangs over.
overlord
n. One who holds supremacy over another.
overpay
v. To pay or reward in excess.
overproduction
n. Excessive production.
overreach
v. To stretch out too far.
overseer
n. A supervisor.
overshadow
v. To cast into the shade or render insignificant by comparison.
overtone
n. A harmonic.
palatial
adj. Magnificent.
pall
v. To make dull by satiety.
palliate
v. To cause to appear less guilty.
pallid
adj. Of a pale or wan appearance.
pamphleteer
v. To compose or issue pamphlets, especially controversial ones.
panacea
n. A remedy or medicine proposed for or professing to cure all diseases.
pandemic
adj. Affecting a whole people or all classes, as a disease.
panegyric
n. A formal and elaborate eulogy, written or spoken, of a person or of an act.
panoply
n. A full set of armor.
panorama
n. A series of large pictures representing a continuous scene.
pantheism
n. The worship of nature for itself or its beauty.
pantomime
n. Sign-language.
papacy
n. The official head of the Roman Catholic Church.
papyrus
n. The writing-paper of the ancient Egyptians, and later of the Romans.
parallelism
n. Essential likeness.
paraphrase
v. Translate freely.
parentage
n. The relation of parent to child, of the producer to the produced, or of cause to effect.
parity
n. Equality, as of condition or rank.
parlance
n. Mode of speech.
parley
v. To converse in.
paronymous
adj. Derived from the same root or primitive word.
paroxysm
n. A sudden outburst of any kind of activity.
parricide
n. The murder of a parent.
parse
v. To describe, as a sentence, by separating it into its elements and describing each word.
parsimonious
adj. Unduly sparing in the use or expenditure of money.
passible
adj. Capable of feeling of suffering.
pastoral
adj. Having the spirit or sentiment of rural life.
patrician
adj. Of senatorial or noble rank.
patrimony
n. An inheritance from an ancestor, especially from one''s father.
paucity
n. Fewness.
pauperism
n. Dependence on charity.
payee
n. A person to whom money has been or is to be paid.
peaceable
adj. Tranquil.
peccadillo
n. A small breach of propriety or principle.
peccant
adj. Guilty.
pectoral
adj. Pertaining to the breast or thorax.
pecuniary
adj. Consisting of money.
pedagogics
n. The science and art of teaching.
pedagogue
n. A schoolmaster.
pedagogy
n. The science and art of teaching
pedant
n. A scholar who makes needless and inopportune display of his learning.
peerage
n. The nobility.
peevish
adj. Petulant. (irritable)
pellucid
adj. Translucent.
pendulous
adj. Hanging, especially so as to swing by an attached end or part.
pendulum
n. A weight hung on a rod, serving by its oscillation to regulate the rate of a clock.
penetrable
adj. That may be pierced by physical, moral, or intellectual force.
peninsular
adj. Pertaining to a piece of land almost surrounded by water.
penitence
n. Sorrow for sin with desire to amend and to atone.
penitential
adj. Pertaining to sorrow for sin with desire to amend and to atone.
pentahedron
n. A solid bounded by five plane faces.
pentathlon
n. The contest of five associated exercises in the great games and the same contestants.
pentavalent
adj. Quinqeuvalent.
penultimate
adj. A syllable or member of a series that is last but one.
penurious
adj. Excessively sparing in the use of money.
penury
n. Indigence.
perambulate
v. To walk about.
perceptible
adj. Cognizable.
percipience
n. The act of perceiving.
percipient
n. One who or that which perceives.
percolate
v. To filter.
percolator
n. A filter.
percussion
n. The sharp striking of one body against another.
peremptory
adj. Precluding question or appeal.
perfectible
adj. Capable of being made perfect.