| AFTERMASTS | • aftermasts n. Plural of aftermast. • AFTERMAST n. the mast nearest the stern. |
| FETTERLESS | • fetterless adj. Without fetters. • FETTERLESS adj. free from fetters. |
| FLUSTRATES | • flustrates v. Third-person singular simple present indicative form of flustrate. • FLUSTRATE v. (obsolete) to fluster. |
| FORETASTES | • foretastes n. Plural of foretaste. • FORETASTE v. to taste in advance. |
| FRONTLISTS | • frontlists n. Plural of frontlist. • FRONTLIST n. a list of books about to be published. |
| FROSTBITES | • frostbites n. Plural of frostbite. • FROSTBITE v. to affect with frostbite. |
| FROWSTIEST | • frowstiest adj. Superlative form of frowsty: most frowsty. • FROWSTY adj. fusty, stuffy, also FROUZY, FROWSY, FROWZY. |
| FRUSTRATES | • frustrates v. Third-person singular simple present indicative form of frustrate. • FRUSTRATE v. to thwart. |
| STAIRFOOTS | • stairfoots n. Plural of stairfoot. • STAIRFOOT n. the level place at the foot of the stairs. |
| STAIRLIFTS | • stairlifts n. Plural of stairlift. • stair␣lifts n. Plural of stair lift. • STAIRLIFT n. a lift to enable people to get up the stairs. |
| STANDFIRST | • standfirst n. (UK, journalism) Explanatory text under the main heading of a news article, smaller than the heading… • STANDFIRST n. an introductory paragraph in an article, printed in larger or bolder type or in capitals, which summarizes the article. |
| STARDRIFTS | • STARDRIFT n. a common proper motion of a number of stars in the same region. |
| STARFRUITS | • starfruits n. Plural of starfruit. • star␣fruits n. Plural of star fruit. • STARFRUIT n. a flower, the Star of Bethlehem. |
| STERNFASTS | • sternfasts n. Plural of sternfast. • STERNFAST n. a rope or chain for making fast a ship's stern to a wharf. |
| STRATIFIES | • stratifies v. Third-person singular simple present indicative form of stratify. • STRATIFY v. to arrange in layers. |
| STREETFULS | • streetfuls n. Plural of streetful. • STREETFUL n. the contents of a street. |
| TESTIFIERS | • testifiers n. Plural of testifier. • TESTIFIER n. one who testifies. |
| THRIFTLESS | • thriftless adj. Wastefully reckless in the use of money or resources. • thriftless adj. Not thriving. • THRIFTLESS adj. lacking usefulness or worth. |
| TRANSFECTS | • transfects v. Third-person singular simple present indicative form of transfect. • TRANSFECT v. to cause transfection in, the infection of a cell with pure viral nucleic acid. |