| COUNTERSANK | • countersank v. Simple past tense of countersink. • COUNTERSINK v. to make a countersink on (a hole). |
| COUNTERSINK | • countersink n. A cylindrical recess, typically machined around a hole to admit a screw so that it sits flush with a surface. • countersink v. (Transitive) To create such a conical recess. • countersink v. (Transitive) To cause to sink even with or below the surface. |
| COUNTERSUNK | • countersunk v. Past participle of countersink. • countersunk adj. (Of a bolt or screw) That has a flat conical top allowing it to be inserted flush with a surface. • COUNTERSINK v. to make a countersink on (a hole). |
| INTERLEUKIN | • interleukin n. (Biochemistry) Any of a group of cytokine proteins important in the regulation of lymphocyte function. • INTERLEUKIN n. any of a group of proteins that control the production of blood cells and play an important part in the combating of infection. |
| MOUNTEBANKS | • mountebanks n. Plural of mountebank. • mountebanks v. Third-person singular simple present indicative form of mountebank. • MOUNTEBANK n. a person who sells quack medicines from a platform; a charlatan. |
| TEKNONYMOUS | • teknonymous adj. Relating to teknonymy. • TEKNONYMOUS adj. relating to teknonymy, the naming of the parent after the child. |
| UNBEKNOWNST | • unbeknownst adv. (Followed by to) without the knowledge of. • UNBEKNOWNST adj. unknown. • UNBEKNOWNST adv. without the knowledge of, unobserved by, also UNBEKNOWN. |
| UNDERTAKING | • undertaking n. The business of an undertaker, or the management of funerals. • undertaking n. A promise or pledge; a guarantee. • undertaking n. That which is undertaken; any business, work, or project which a person engages in, or attempts to perform;… |
| UNKEMPTNESS | • unkemptness n. The state or condition of being unkempt. • UNKEMPTNESS n. the state of being unkempt. |
| UNKINDLIEST | • unkindliest adj. Superlative form of unkindly: most unkindly. • UNKINDLY adv. UNKIND, not kind. |
| UNKINGLIEST | • unkingliest adj. Superlative form of unkingly: most unkingly. • UNKINGLY adj. not kingly. |
| UNSOCKETING | • unsocketing v. Present participle of unsocket. • UNSOCKET v. to take out of the socket. |
| UNTHICKENED | • unthickened adj. Not thickened. • unthickened v. Simple past tense and past participle of unthicken. • UNTHICKENED adj. not thickened. |
| UNTHINKABLE | • unthinkable adj. Incapable of being believed; incredible. • unthinkable adj. Inconceivable or unimaginable; extremely improbable in a way that goes against common sense. • UNTHINKABLE adj. that cannot be thought. |