Merriam-Webster's Dictionary and Thesaurus - Merriam-Webster [1017]
per·ora·tion noun : the concluding part of a speech
1peroxide noun : an oxide containing a large proportion of oxygen; especially : HYDROGEN PEROXIDE
2peroxide verb -id·ed; -id·ing : to bleach with hydrogen peroxide
perp abbreviation 1 perpendicular
2 perpetrator
per·pen·dic·u·lar adjective 1 : standing at right angles to the plane of the horizon
2 : forming a right angle with each other or with a given line or plane
— perpendicular noun
— per·pen·dic·u·lar·i·ty noun
— per·pen·dic·u·lar·ly adverb
Synonyms
erect, standing, upright, upstanding, vertical—more at ERECT
per·pe·trate verb -trat·ed; -trat·ing : to carry out (as a crime) : COMMIT
— per·pe·tra·tor noun
per·pe·tra·tion noun : the act or process of perpetrating
Synonyms
accomplishment, achievement, commission, discharge, enactment, execution, fulfillment, implementation, performance—more at COMMISSION
per·pet·u·al adjective 1 : continuing forever : EVERLASTING
2 : occurring continually : CONSTANT <~ annoyance>
Synonyms
ceaseless, dateless, deathless, endless, eternal, everlasting, immortal, permanent, undying, unending—more at EVERLASTING
per·pet·u·al·ly adverb 1 : for a limitless time
2 : at all times : CONTINUALLY
Synonyms
[1] always, eternally, ever, everlastingly, forever, permanently—more at EVER
[2] always, constantly, continually, ever, forever, incessantly, invariably, unfailingly—more at ALWAYS
per·pet·u·ate verb -at·ed; -at·ing : to make perpetual : cause to last indefinitely
— per·pet·u·a·tion noun
per·pe·tu·i·ty noun, plural -ties 1 : ETERNITY 1
2 : the quality or state of being perpetual
per·plex verb : to disturb mentally; especially : CONFUSE
Synonyms
addle, baffle, befog, befuddle, bemuse, bewilder, confound, confuse, disorient, muddle, muddy, mystify, puzzle—more at CONFUSE
per·plexed adjective 1 : filled with uncertainty : PUZZLED
2 : full of difficulty : COMPLICATED
— per·plexed·ly adverb
per·plex·i·ty noun : the state of being perplexed
Synonyms
bafflement, bewilderment, confusion, distraction, muddle, mystification, puzzlement, whirl—more at CONFUSION
per·qui·site noun : a privilege or profit beyond regular pay
Synonyms
bonus, dividend, extra, lagniappe, tip—more at BONUS
pers abbreviation person; personal
per se adverb [ORIGIN: L]
: by, of, or in itself : as such
2per se adjective : being such inherently, clearly, or as a matter of law
per·se·cute verb -cut·ed; -cut·ing : to pursue in such a way as to injure or afflict : HARASS; especially : to cause to suffer because of belief
— per·se·cu·tion noun
Synonyms
afflict, agonize, bedevil, curse, harrow, martyr, plague, rack, torment, torture—more at AFFLICT
aggravate, annoy, bother, bug, chafe, exasperate, gall, get, grate, irk, irritate, nettle, peeve, pique, put out, rasp, rile, vex—more at IRRITATE
per·se·cu·tor noun : one that persecutes
Synonyms
heckler, oppressor, taunter, tormentor, torturer—more at TORMENTOR
annoyance, bother, gadfly, nuisance, pest, tease—more at NUISANCE
per·se·vere verb -vered; -ver·ing : to persist (as in an undertaking) in spite of difficulties
— per·se·ver·ance noun
persevering adjective : of or characterized by perseverance
Synonyms
dogged, insistent, patient, persistent, pertinacious, tenacious—more at PERSISTENT
Per·sian noun 1 : a native or inhabitant of ancient Persia
2 : a member of one of the peoples of modern Iran
3 : the language of the Persians
Persian cat noun : any of a breed of stocky round-headed domestic cats that have a long silky coat
Persian lamb noun : a pelt with very silky tightly curled fur that is obtained from newborn lambs which are older than those yielding broadtail
per·si·flage noun [ORIGIN: F, fr. persifler to banter, fr. per- thoroughly + siffler to whistle, hiss, boo, ultim. fr. L sibilare]
: lightly jesting or mocking talk
Synonyms
banter, chaff, raillery, repartee—more at BANTER