| PERFIDIOUS | • perfidious adj. Of, pertaining to, or representing perfidy; disloyal to what should command one’s fidelity or allegiance. • PERFIDIOUS adj. characterized by faithlessness or disloyalty. |
| 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. |
| PERFIDIOUSLY | • perfidiously adv. In a perfidious manner. • PERFIDIOUS adv. characterized by faithlessness or disloyalty. |
| POLYSULFIDES | • polysulfides n. Plural of polysulfide. • POLYSULFIDE n. a sulfide containing two or more atoms of sulfur in the molecule, also POLYSULPHIDE. |
| PROFUNDITIES | • profundities n. Plural of profundity. • PROFUNDITY n. intellectual depth. |
| FILIPENDULOUS | • filipendulous adj. Suspended by, or strung upon, a thread; said of tuberous swellings in the middle or at the extremities… • FILIPENDULOUS adj. hanging by or strung on a thread. |
| SOUNDPROOFING | • soundproofing v. Present participle of soundproof. • soundproofing n. Something that prevents sound from traveling through it, such as is put on walls so adjacent areas are… • soundproofing n. The act of installing material to dampen sound. |
| SPLENDIFEROUS | • splendiferous adj. Beautiful, splendid. • SPLENDIFEROUS adj. splendid. |
| TYPEFOUNDINGS | • TYPEFOUNDING n. the casting of printers' type. |
| TYPEFOUNDRIES | • type␣foundries n. Plural of type foundry. • TYPEFOUNDRY n. a place where type is cast. |
| PERFIDIOUSNESS | • perfidiousness n. (Rare) Unfaithfulness; deceitfulness; perfidy. • PERFIDIOUSNESS n. the state of being perfidious. |
| SOUNDPROOFINGS | • soundproofings n. Plural of soundproofing. • SOUNDPROOFING n. insulation to obstruct the passage of sound. |
| SUPERCONFIDENT | • superconfident adj. Very confident. • SUPERCONFIDENT adj. extremely confident. |
| HYPERFASTIDIOUS | • hyperfastidious adj. Extremely fastidious. • HYPERFASTIDIOUS adj. excessively fastidious. |
| SPLENDIFEROUSLY | • splendiferously adv. In a splendiferous manner. • SPLENDIFEROUS adv. splendid. |
| SUPERCONFIDENCE | • superconfidence n. Extreme confidence. • SUPERCONFIDENCE n. a state of very high confidence. |