pepper, n. capsicum.

peppery, a. pungent; irascible, hot-tempered, choleric.

perceive, v. see, discern, observe; apprehend, comprehend, understand.  See see.

perception, n. cognizance, discernment; sensation, feeling.  Antonym:  imperception.

perch, n. roost.

perchance, adv. perhaps, peradventure, possibly, maybe.

perchers, n. pl.  Insessores.

percolate, v. ooze, strain, filter, transude.

percolation, n. filtration, straining, transuding.

perdition, n. ruin, wreck, destruction; hell.

perennial, a. perpetual, undying, imperishable.

perfect, a. consummate, faultless, flawless, exquisite, inviolate, impeccable, infallible, correct, mature, ideal, irreproachable, blameless.  Antonyms:  See imperfect.

perfect, v. consummate, elaborate, retouch, develop.

perfection, n. faultlessness, consummation, impeccability.

perfidious, a.  See unfaithful.

perfidy, n. treachery, faithlessness, disloyalty, unfaithfulness.

perforate, v. bore through, pierce, penetrate, drill.

perforation, n. piercing, penetration; hole, opening, pertusion, aperture.  Antonyms:  imperforation, imperforable.

perforator, n. cephalotome.

perform, v. accomplish, execute, do.

performance, n. execution, achievement, accomplishment; trick, feat, exploit, stunt, deed, act.

performer, n. acrobat, funambulist, equilibrist, tumbler, contortionist, aerosaltant, actor, player, impersonator.

perfume, n. fragrance, aroma, redolence, sachet, incense, emanation, odor; attar, musk, patchouli, frankincense, civet, myrrh, pastil, pulvillio.  Associated Words:  exhale, exhalation, cassolette, perfumer, perfumery.

perhaps, adv. perchance, peradventure, possibly, haply.

peril, n.  See danger.

perilous, a. dangerous, hazardous, imperiled, unsafe.  Antonyms:  See safe.

period, n. interval.

perishable, a. destructible, impermanent, mortal.  Antonyms:  imperishable, permanent.

perjury, n. oath-breaking.  Associated Words:  suborn subornation, suborner, perjurer, perjurous, forswear.

perk, a. vain, trim, spruce, smart, jaunty.

permanence, n. durability, imperishability, stability, permanency.

permanent, a. stable, immutable, durable, imperishable, unchangeable, abiding, indestructible.  Antonyms:  impermanent, evanescent, ephemeral, transient.

permeable, a. penetrable, pervious, pervadible.  Antonym:  impermeable.

permission, n. consent, allowance, license, leave, permit, authorization, warrant.  Antonyms:  refusal, denial, embargo, injunction, veto, prohibition, resistance.

permit, v. allow, consent to, suffer, tolerate, let, authorize, indulge, license, empower.  Antonyms:  refuse, disallow, prohibit, resist.