| BOMBPROOFING | • bombproofing v. Present participle of bombproof. • BOMBPROOF v. to make proof against bombs. |
| BRINKMANSHIP | • brinkmanship n. (Chiefly politics) The pursuit of an advantage by appearing to be willing to take a matter to the brink… • BRINKMANSHIP n. the art or practice of pushing a dangerous situation or confrontation to the limit of safety esp. to force a desired outcome, also BRINKSMANSHIP. |
| IMPENETRABLE | • impenetrable adj. Not penetrable. • impenetrable adj. (Figuratively) Incomprehensible; fathomless; inscrutable. • impenetrable adj. Opaque; obscure; not translucent or transparent. |
| IMPENETRABLY | • impenetrably adv. In an impenetrable manner or state; imperviously. • IMPENETRABLE adv. incapable of being penetrated or pierced. |
| IMPONDERABLE | • imponderable adj. Not ponderable; without sensible or appreciable weight; incapable of being weighed. • imponderable adj. Difficult or impossible to comprehend or evaluate. • imponderable n. (Physics) An imponderable substance or body; specifically, in the plural, a name formerly applied to… |
| IMPONDERABLY | • imponderably adv. In an imponderable manner. • IMPONDERABLE adv. not ponderable. |
| IMPRISONABLE | • imprisonable adj. Capable of being imprisoned. • imprisonable adj. (Law, of an offence) Carrying a sentence of imprisonment. • IMPRISONABLE adj. capable of being imprisoned. |
| IMPROBATIONS | • improbations n. Plural of improbation. • IMPROBATION n. in Scots law, an action for the purpose of declaring some instrument false or forged. |
| INCOMPARABLE | • incomparable adj. So much better than another as to be beyond comparison; matchless or unsurpassed. • incomparable adj. (Rare) Not able to be compared. • incomparable n. Something beyond compare; a thing with which there is no comparison. |
| INCOMPARABLY | • incomparably adv. In an incomparable manner. • INCOMPARABLE adv. eminent beyond comparison. |
| MARIMBAPHONE | • marimbaphone n. (Obsolete, music) A kind of percussion idiophone, like the marimba, but with either wooden or steel… • MARIMBAPHONE n. a marimba. |
| PARASYMBIONT | • parasymbiont n. (Biology) A parasymbiotic symbiont. • PARASYMBIONT n. a partner in parasymbiosis. |
| PRENUMBERING | • prenumbering v. Present participle of prenumber. • PRENUMBER v. to number in advance. |
| PROTHROMBINS | • prothrombins n. Plural of prothrombin. • PROTHROMBIN n. a protein-like substance present in blood plasma. |