PERNICIOUSNESS
PERNI'CIOUSNESS, noun The quality of being very injurious, mischievous or destructive.
American Dictionary of the English Language, Noah Webster, 1828.
4.856 entries
PERNI'CIOUSNESS, noun The quality of being very injurious, mischievous or destructive.
PERNIC'ITY, noun [Latin pernicitas, from pernix.]Swiftness of motion; celerity. [Little used.]
PERNOCTA'TION, noun [Latin pernocto; per and nox, night.]The act of passing the whole night; a remaining all night.
PEROGUE. [See Pirogue.]
PERORA'TION, noun [Latin peroratio, from peroro; per and oro, to pray.]The concluding part of an oration, in which the speaker recapitulates the principal points of his discours...
PEROX'YD, noun [per and oxyd.] A substance containing an unusual quantity of oxygen.
PEROX'YDIZE, verb transitive To oxydize to the utmost degree.
PERPEND', verb transitive [Latin perpendo; per and pendo, to weigh.]To weigh in the mind; to consider attentively. [Little used.]
PERPEND'ER, noun A coping stone.
PERPEND'ICLE, noun [Latin perpendiculum.]Something hanging down in a direct line; a plumb line.
PERPENDIC'ULAR, adjective [Latin perpendicularis, from perpendiculum, a plumb line; perpendeo; per and pendeo, to hang.]1. Hanging or extending in a right line from any point to...
PERPENDICULAR'ITY, noun The state of being perpendicular.
PERPENDIC'ULARLY, adverb In a manner to fall on another line at right angles.1. So as to fall on the plane of the horizon at right angles; in a direction towards the center of t...
PERPEN'SION, noun [Latin perpendo.] Consideration. [Not used.]
PERPES'SION, noun [Latin perpessio, perpetior, to suffer; per and patior.]Suffering; endurance. [Not used.]
PER'PETRATE, verb transitive [Latin perpetro; per and patro, to go through, to finish.] To do; to commit; to perform; in an ill sense, that is, always used to express an evil ac...
PER'PETRATED, participle passive Done; committed; as an evil act.
PER'PETRATING, participle present tense Committing; as a crime or evil act.
PERPETRA'TION, noun The act of committing a crime.1. An evil action.
PER'PETRATOR, noun One that commits a crime.
PERPET'UAL, adjective [Latin perpetuus, from perpes, perpetis; per and pes, from a root signifying to pass.]1. Never ceasing; continuing forever in future time; destined to be e...
PERPET'UALLY, adverb Constantly; continually; applied to things which proceed without intermission, or which occur frequently or at intervals, without limitation. A perennial sp...
PERPET'UATE, verb transitive [Latin perpetuo.] To make perpetual; to eternize.1. To cause to endure or to be continued indefinitely; to preserve from extinction or oblivion; as,...
PERPET'UATED, pp. Made perpetual; continued through eternity, or for an indefinite time.
PERPET'UATING, participle present tense Continuing forever or indefinitely.
PERPETUA'TION, noun The act of making perpetual, or of preserving from extinction or oblivion through an endless existence, or for an indefinite period of time.
PERPETU'ITY, noun [Latin perpetuitas.] Endless duration; continuance to eternity.1. Continued uninterrupted existence, or duration for an indefinite period of time; as the perpe...