| FOOLHARDIEST | • foolhardiest adj. Superlative form of foolhardy: most foolhardy. • FOOLHARDY adj. recklessly brave. |
| FOOTBREADTHS | • footbreadths n. Plural of footbreadth. • FOOTBREADTH n. the width of a foot. |
| FORESHORTENS | • foreshortens v. Third-person singular simple present indicative form of foreshorten. • FORESHORTEN v. to shorten by proportionately contracting in the direction of depth so that an illusion of projection or extension in space is obtained. |
| FORETHOUGHTS | • forethoughts n. Plural of forethought. • FORETHOUGHT n. a thinking or planning out in advance. |
| HEADFOREMOST | • headforemost adv. Headfirst. • HEADFOREMOST adv. headfirst. |
| HINDFOREMOST | • HINDFOREMOST adv. with the back part in the front place. |
| MOSQUITOFISH | • mosquitofish n. Any of several small fish that feed on mosquitoes, but especially those of the genus Gambusia. • MOSQUITOFISH n. a species of freshwater fish, native to the southeastern US. |
| MOTHPROOFERS | • mothproofers n. Plural of mothproofer. • MOTHPROOFER n. a substance that keeps away moths. |
| PHOTOFISSION | • photofission n. (Nuclear physics) Nuclear fission as the result of the absorption of a gamma ray or other high-energy photon. • photofission v. (Nuclear physics) To undergo, or cause to undergo, photofission. • PHOTOFISSION n. nuclear fission induced by gamma rays. |
| PHOTOFLASHES | • photoflashes n. Plural of photoflash. • PHOTOFLASH n. a photographic flash. |
| SCHOOLCRAFTS | • Schoolcrafts prop.n. Plural of Schoolcraft. • SCHOOLCRAFT n. (archaic) learning. |
| SHATTERPROOF | • shatterproof adj. Resistant to shattering; difficult to break. • shatterproof v. (Transitive) To make resistant to shattering. • SHATTERPROOF adj. proof against shattering. |
| THOUSANDFOLD | • thousandfold adj. Multiplied by one thousand (1000), repeated a thousand times. • thousandfold adj. Having one thousand parts or members. • thousandfold adv. By a factor of a thousand. |
| TRICHLORFONS | • TRICHLORFON n. a crystalline compound used esp. as an insecticide, also TRICHLORPHON. |