| BUTTONHELD | • BUTTONHOLD v. to detain in talk, also BUTTONHOLE. |
| DETACHMENT | • detachment n. (Uncountable) The action of detaching; separation. • detachment n. (Uncountable) The state of being detached or disconnected; insulation. • detachment n. (Uncountable) Indifference to the concerns of others; disregard; nonchalance; aloofness. |
| DITHIONATE | • dithionate n. (Inorganic chemistry) The oxyanion S2O62- derived from dithionic acid; any salt containing this ion. • DITHIONATE n. a salt of dithionic acid. |
| DITHIONITE | • dithionite n. (Chemistry) any salt or ester of dithionous acid, H2S2O4. • DITHIONITE n. any salt of dithionous acid. |
| HARDBITTEN | • hardbitten adj. Alternative spelling of hard-bitten. • hard-bitten adj. Callous and toughened by experience. |
| HETERODONT | • heterodont adj. (Zootomy) Having teeth of different types (like most mammals). • heterodont adj. (Malacology) Of bivalves or their hinge teeth: having two to three wedge-shaped cardinal teeth set in… • heterodont n. (Zoology) A heterodont animal. |
| MUTTONHEAD | • muttonhead n. (Britain, slang) A stupid or foolish person. • MUTTONHEAD n. a heavy, stupid person. |
| NIGHTTIDES | • NIGHTTIDE n. the time during which it is night, also NIGHTTIME. |
| OTTERHOUND | • otterhound n. Alternative form of Otterhound. • Otterhound n. A dog of a particular breed of scent hound, originating in Britain. • OTTERHOUND n. a hound used to hunt otters. |
| OUTNIGHTED | • outnighted v. Simple past tense and past participle of outnight. • OUTNIGHT v. (Shakespeare) to surpass in mentioning nights. |
| OUTTHANKED | • outthanked v. Simple past tense and past participle of outthank. • OUTTHANK v. to surpass in thanking. |
| STUDENTISH | • studentish adj. Characteristic of a student; studenty. |
| THECODONTS | • thecodonts n. Plural of thecodont. • THECODONT n. a member of the order Thecodontia of archosaurian reptiles with teeth fixed in sockets in the jawbone. |
| THENARDITE | • thenardite n. (Mineralogy) An orthorhombic-dipyramidal mineral containing oxygen, sodium, and sulfur. • THENARDITE n. a whitish vitreous mineral that consists of anhydrous sodium sulphate and occurs in saline residues. |
| THREATENED | • threatened v. Simple past tense and past participle of threaten. • threatened adj. (Ecology, of a plant or animal) At risk of becoming endangered in the near future. • threatened adj. Feeling insecure or vulnerable. |
| THRENODIST | • threnodist n. (Rare) A person who writes or says a threnody. • THRENODIST n. one who composes, delivers, or utters, a threnode, or threnody. |
| UNATTACHED | • unattached adj. Not attached or joined; disconnected. • unattached adj. Not married and not involved in a romantic relationship. • unattached adj. Not connected with or belonging to a particular group or organization. |
| UNSTITCHED | • unstitched adj. Not stitched. • unstitched v. Simple past tense and past participle of unstitch. • UNSTITCH v. to remove the stitches from. |
| UNTETHERED | • untethered adj. Not tethered; not tied down. • untethered adj. (Figurative) Unrestrained. • UNTETHER v. to free from a tether. |
| UNTHATCHED | • unthatched adj. Not thatched. • UNTHATCH v. to strip of thatch. |