| Term | Definition |
| procrastinate | to postpone; to delay |
| procreate | to beget or produce |
| procrustean | designed to get conformity at any cost |
| procure | to obtain; to secure |
| prod | to uge; to poke or jab |
| prodigal | wasteful |
| prodigious | enormous; vast |
| profane | showing disrespect for sacred thing |
| profess | to acknowledge; to admit frankly |
| proffer | to offer |
| proficiency | skill; competency |
| profligate | shamelessly immoral; extremely wasteful |
| profound | very deep |
| profuse | abundant |
| progeny | descendants |
| prognosticate | to predict; to foretell |
| projectile | a bullet, shell, grenade, etc., for firing from a gun |
| proletarian | one who belongs to the working class |
| proliferate | to expand; to increase |
| prolific | productive; fertile |