| A | B |
|---|
| peremptory | not allowing contradiction; determined, resolute | S: despotic, tyrannical | A: contingent, provisional |
| perjure | to lie deliberately while under oath | S: prevaricate |
| permeate | to spread through; penetrate | S: pervade, imbue, diffuse |
| pernicious | highly injurious or harmful | S: deleterious, baneful | A: salubrious |
| perservere | To push on despite obstacles | S: persist | A: desist | P: throw in the towel(A) |
| phobia | intense fear of something | S: aversion, antipathy, abhorrence | A: affinity, predilection |
| plagiarism | Use of another person's writings or ideas without acknowledgement |
| plaintive | sorrowful, melancholy, mournful | S: lugubrious, dolorous | A: jocund |
| plethora | superabundance or excess | S: profusion, welter, superfluity | A: dearth, paucity |
| poignant | keenly touching or moving | S: heart-rending, bittersweet |
| precarious | dangerously insecure or unstable | S: periolous, treacherous | A: impregnable |
| precocious | developing unusually early | P: a child prodigy |
| predatory | preying on, plundering, or piratical | S: rapacious, pilaging | P: prey on |
| prelude | Anything preceding something else | S: overture, prologue, preface | A: epilogue, sequel |
| premise | statement upon which an argument is based; state as the basis for something else | S: axiom, hypothesis |
