| HEARTFELT | • heartfelt adj. Believed or felt deeply and sincerely. • heart-felt adj. Alternative spelling of heartfelt. • HEARTFELT adj. deeply felt. |
| THREATFUL | • threatful adj. Threatening. • THREATFUL adj. full of threats; having a menacing appearance. |
| HALFWITTED | • halfwitted adj. Alternative spelling of half-witted. • half-witted adj. Having a low intelligence; dim-witted. • HALFWITTED adj. feebleminded. |
| STEALTHFUL | • stealthful adj. (Obsolete) stealthy. • STEALTHFUL adj. stealthy. |
| FATHERLIEST | • FATHERLY adj. like a father. |
| THIOSULFATE | • thiosulfate n. (Chemistry) any salt or ester of thiosulfuric acid. • THIOSULFATE n. any salt of thiosulphuric acid, also THIOSULPHATE. |
| FEATHERLIGHT | • featherlight adj. Alternative form of feather-light. • feather-light adj. Extremely light; light as a feather. • FEATHERLIGHT adj. extremely light. |
| HALFWITTEDLY | • halfwittedly adv. In a halfwitted manner. • HALFWITTED adv. feebleminded. |
| THANKFULLEST | • thankfullest adj. Superlative form of thankful: most thankful. • THANKFUL adj. grateful. |
| THIOSULFATES | • thiosulfates n. Plural of thiosulfate. • THIOSULFATE n. any salt of thiosulphuric acid, also THIOSULPHATE. |
| LIGHTFASTNESS | • lightfastness n. The quality or degree of being lightfast. • LIGHTFAST n. of a fabric, that doesn't fade on exposure to light. |
| SOFTHEARTEDLY | • softheartedly adv. In a softhearted manner; with sentimental tenderness. • soft-heartedly adv. Alternative form of softheartedly. • SOFTHEARTED adv. emotionally responsive. |
| UNFATHERLIEST | • UNFATHERLY adj. not fatherly. |
| FAINTHEARTEDLY | • faintheartedly adv. In a fainthearted manner. • faint-heartedly adv. Alternative form of faintheartedly. • FAINTHEARTED adv. lacking courage or resolution. |
| HALFWITTEDNESS | • halfwittedness n. The quality of being halfwitted. • HALFWITTED n. feebleminded. |
| FETISHISTICALLY | • fetishistically adv. In a fetishistic manner. • FETISHISTIC adv. relating to or exhibiting fetishism, devotion to or reverence for a fetish or fetishes. |
| LIGHTFASTNESSES | • lightfastnesses n. Plural of lightfastness. • LIGHTFASTNESS n. LIGHTFAST, of a fabric, that doesn't fade on exposure to light. |
| PHYTOFLAGELLATE | • phytoflagellate n. Any dinoflagellate of the class Phytomastigophorea. • PHYTOFLAGELLATE n. any of various organisms (as dinoflagellates) that have many characteristics in common with typical algae. |