| BISULFATE | • bisulfate n. (Inorganic chemistry) The univalent anion HSO4-. • bisulfate n. (Inorganic chemistry) Any salt containing this anion. • bisulfate v. To react with a bisulfate. |
| DISULFATE | • disulfate n. Alternative form of disulphate. • DISULFATE n. a compound containing two sulfate ions. |
| FACETIOUS | • facetious adj. Treating serious issues with (often deliberately) inappropriate humour; flippant. • facetious adj. Pleasantly humorous; jocular. • facetious adj. Of an idea or statement, humorously silly or counterproductive for the purpose of sarcastically advocating… |
| FACULTIES | • faculties n. Plural of faculty. • FACULTY n. an inherent power or ability. |
| FANTIGUES | • fantigues n. Plural of fantigue. • FANTIGUE n. anxiety, also FANTEEG. |
| FATUITIES | • fatuities n. Plural of fatuity. • FATUITY n. complacent stupidity. |
| FAULTIEST | • faultiest adj. Superlative form of faulty: most faulty. • FAULTY adj. imperfect. |
| FAUTEUILS | • fauteuils n. Plural of fauteuil. • FAUTEUIL n. (French) an enclosed seat in theatre. |
| FEUDALIST | • feudalist n. An advocate or practitioner of feudalism. • feudalist adj. Advocating or practising feudalism, or in which feudalism is practised. • FEUDALIST n. an upholder of feudalism. |
| FILATURES | • filatures n. Plural of filature. • FILATURE n. (French) the reeling of silk from cocoons. |
| FISTULATE | • fistulate v. (Obsolete, transitive, intransitive) To make or become hollow like a fistula, or pipe. • fistulate adj. Hollowed like a fistula. • FISTULATE adj. hollow and cylindrical, like a pipe or reed, also FISTULAR, FISTULOSE, FISTULOUS. |
| FIXATURES | • fixatures n. Plural of fixature. • FIXATURE n. a hair fixing preparation. |
| FRUITAGES | • fruitages n. Plural of fruitage. • FRUITAGE n. the process of bearing fruit. |
| FUMIGATES | • fumigates v. Third-person singular simple present indicative form of fumigate. • FUMIGATE v. to subject to fumes to kill pests. |
| FUSTIGATE | • fustigate v. (Transitive) To hit someone with a club. • fustigate v. (Figuratively) To harshly criticize someone. • FUSTIGATE v. (obsolete) to beat with a club. |
| INFUSCATE | • infuscate v. (Transitive) To darken; to make black or obscure. • infuscate adj. Clouded with brown. • INFUSCATE adj. clouded or tinged with brown, esp. of insects' wings, also INFUSCATED. |
| UNFAIREST | • unfairest adj. Superlative form of unfair: most unfair. • UNFAIR adj. not fair. |