| EFFLUVIUMS | • effluviums n. Plural of effluvium. • EFFLUVIUM n. (Latin) disagreeable vapours. |
| FULGURITES | • fulgurites n. Plural of fulgurite. • FULGURITE n. a vitrified sand tube produced by the striking of lightning on sand. |
| FULMINEOUS | • fulmineous adj. Fulminous; of or pertaining to thunder. • FULMINEOUS adj. pertaining to thunder and lightning, also FULMINOUS. |
| FUNICULATE | • funiculate adj. Forming a narrow ridge. • FUNICULATE adj. forming a narrow ridge. |
| GUILEFULLY | • guilefully adv. In a guileful manner. • GUILEFUL adv. deceitful. |
| LUCIFEROUS | • luciferous adj. Illuminating; providing light. • luciferous adj. (Figurative) Illuminating; offering insight. • LUCIFEROUS adj. light-bringing; light-giving. |
| QUIVERFULS | • quiverfuls n. Plural of quiverful. • QUIVERFUL n. the contents of a quiver. |
| QUIVERSFUL | • quiversful n. Plural of quiverful. • QUIVERFUL n. the contents of a quiver. |
| REQUITEFUL | • requiteful adj. (Rare, archaic) Tending to requite something; reciprocating. • REQUITEFUL adj. relating to the act of requiting. |
| SULFURIEST | • SULFURY adj. resembling, or partaking of the nature of, sulphur, also SULPHURY. |
| SULFURISED | • sulfurised v. Simple past tense and past participle of sulfurise. • sulfurised adj. Alternative spelling of sulfurized. • SULFURISE v. to combine or impregnate with sulphur or any of its compounds, also SULFURIZE, SULPHURISE, SULPHURIZE. |
| SULFURISES | • sulfurises v. Third-person singular simple present indicative form of sulfurise. • SULFURISE v. to combine or impregnate with sulphur or any of its compounds, also SULFURIZE, SULPHURISE, SULPHURIZE. |
| SULFURIZED | • sulfurized v. Simple past tense and past participle of sulfurize. • sulfurized adj. Reacted or treated with sulfur or sulfur dioxide. • SULFURIZE v. to combine or impregnate with sulphur or any of its compounds, also SULFURISE, SULPHURISE, SULPHURIZE. |
| SULFURIZES | • sulfurizes v. Third-person singular simple present indicative form of sulfurize. • SULFURIZE v. to combine or impregnate with sulphur or any of its compounds, also SULFURISE, SULPHURISE, SULPHURIZE. |
| SUPERFLUID | • superfluid n. (Physics) A substance, such as liquid helium, that exhibits superfluidity. • superfluid adj. Of, pertaining to, or exhibiting superfluidity. • SUPERFLUID adj. relating to, or demonstrating, superfluidity. |
| UNFAULTIER | • UNFAULTY adj. not faulty. |
| UNMERCIFUL | • unmerciful adj. Not showing mercy. • UNMERCIFUL adj. not merciful. |
| UNUPLIFTED | • unuplifted adj. (Poetic or archaic) Not uplifted; downcast. • UNUPLIFTED adj. not uplifted. |