| PAINFULLEST | • painfullest adj. Superlative form of painful: most painful. • PAINFUL adj. causing pain. |
| PAINFULNESS | • painfulness n. The state or quality of being painful, of causing pain. • painfulness n. The state or quality of being tedious, of requiring great care. • PAINFULNESS n. the state of being painful. |
| PERSIFLEURS | • persifleurs n. Plural of persifleur. • PERSIFLEUR n. (French) one who indulges in persiflage. |
| PERSULFURIC | • persulfuric adj. (Inorganic chemistry) Of or pertaining to persulfuric acid. • PERSULFURIC adj. denoting a type of acid, also PERSULPHURIC. |
| PITCHERFULS | • pitcherfuls n. Plural of pitcherful. • PITCHERFUL n. the quantity a pitcher will hold. |
| PITCHERSFUL | • pitchersful n. Plural of pitcherful. • PITCHERFUL n. the quantity a pitcher will hold. |
| PITIFULLEST | • pitifullest adj. Superlative form of pitiful: most pitiful. • PITIFUL adj. arousing pity, also PITEOUS. |
| PITIFULNESS | • pitifulness n. The state or quality of being pitiful. • PITIFULNESS n. the state of being pitiful. |
| POLYSULFIDE | • polysulfide n. (Chemistry) Any compound of general formula RSnR having a chain of more than two sulfur atoms; any derivative… • POLYSULFIDE n. a sulfide containing two or more atoms of sulfur in the molecule, also POLYSULPHIDE. |
| PRESTIGEFUL | • prestigeful adj. Respected, admired. • PRESTIGEFUL adj. full of prestige. |
| PROLIFEROUS | • proliferous adj. Producing many offspring; prolific or proliferative. • proliferous adj. (Botany) producing many buds or offshoots from leaves or flowers. • proliferous adj. (Zoology) reproducing by budding. |
| PYROSULFITE | • pyrosulfite n. (Inorganic chemistry) metabisulfite. • PYROSULFITE n. as in sodium pyrosulfite, an inorganic compound used as a preservative, antioxidant and disinfectant. |
| SPITEFULLER | • spitefuller adj. Comparative form of spiteful: more spiteful. • SPITEFUL adj. malicious. |
| SPRITEFULLY | • SPRITEFUL adv. impish. |
| SUPERFAMILY | • superfamily n. (Taxonomy) A taxonomic category above family and below order (and its subdivisions). • superfamily n. (Molecular biology) A large group of related proteins or other molecules. • SUPERFAMILY n. a category of biological classification ranking below an order and above a family. |
| SUPERFICIAL | • superficial adj. (Relational) Existing, occurring, or located on the surface. • superficial adj. Appearing to be true or real only until examined more closely. • superficial adj. Not thorough, deep, or complete; concerned only with the obvious or apparent. |
| SUPERFLUIDS | • superfluids n. Plural of superfluid. • SUPERFLUID n. a superfluid substance. |
| SUPERFLUITY | • superfluity n. The quality or state of being superfluous; overflowingness. • superfluity n. Something superfluous, as a luxury. • superfluity n. (Rare) Collective noun for a group of nuns. |