| CYATHIFORM | • cyathiform adj. In the form of a cup, a little widened at the top. • CYATHIFORM adj. shaped like a cup. |
| FATHOMABLE | • fathomable adj. Able to be fathomed. • FATHOMABLE adj. that can be fathomed. |
| FATHOMETER | • fathometer n. (Nautical) A depth finder that uses sound waves to determine the depth of water. • FATHOMETER n. an instrument for measuring underwater depth using sound. |
| FATHOMLESS | • fathomless adj. Very deep (especially of water deeper than a lead line can measure); bottomless. • fathomless adj. (By extension) unfathomable or incomprehensible. • FATHOMLESS adj. incapable of being fathomed. |
| FLUTEMOUTH | • flutemouth n. The trumpetfish. • FLUTEMOUTH n. a fish of the genus Aulostoma, having a much elongated tubular snout. |
| FOREMOTHER | • foremother n. A female ancestor. • FOREMOTHER n. a female ancestor. |
| FORTHCOMES | • forthcomes v. Third-person singular simple present indicative form of forthcome. • FORTHCOME v. (obsolete) to come forth. |
| FRIGHTSOME | • frightsome adj. Marked by fright or frightfulness; frightening; frightful; fearful; causing fear. • frightsome adj. Feeling fright; afraid; frightened. • FRIGHTSOME adj. frightful. |
| FROGMOUTHS | • frogmouths n. Plural of frogmouth. • FROGMOUTH n. one of several species of Asiatic and East Indian birds, so called from their very broad, flat bills. |
| HOMECRAFTS | • homecrafts n. Plural of homecraft. • HOMECRAFT n. a craft practised at home. |
| HOMOGRAFTS | • homografts n. Plural of homograft. • HOMOGRAFT n. a graft from one individual to another unrelated individual of the same species. |
| MOTHPROOFS | • mothproofs v. Third-person singular simple present indicative form of mothproof. • MOTHPROOF v. to proof against moths. |
| MOUTHFEELS | • mouthfeels n. Plural of mouthfeel. • MOUTHFEEL n. the sensory perception of a particular food while chewing. |
| MUTTONFISH | • muttonfish n. (Chiefly US) Any of several Atlantic and Caribbean fishes which are said to taste of mutton, especially… • muttonfish n. (Australia) Any of several edible molluscs of the genus Haliotis; an abalone. • MUTTONFISH n. a common food fish of the Western Atlantic. |
| STOMACHFUL | • stomachful n. Enough to fill one’s stomach. • stomachful n. As much as one can stomach. • stomachful adj. (Obsolete) sullen; obstinate; perverse. |
| THALLIFORM | • thalliform adj. Of the form of a thallus. • THALLIFORM adj. shaped like a thallus, a plant body not differentiated into leaf, stem and root. |
| THERMOFORM | • thermoform v. To use a method of shaping, especially for thermoplastics, while hot. • THERMOFORM v. to give a final shape to plastics by heat and pressure. |
| TOMFOOLISH | • tomfoolish adj. Silly; foolish. • TOMFOOLISH adj. foolish. |
| UNFATHOMED | • unfathomed adj. Of unknown depth. • unfathomed adj. Not explored or understood. • UNFATHOMED adj. not fathomed. |