| FLANNELBOARD | • flannelboard n. Synonym: flannelgraph. • FLANNELBOARD n. a teaching aid consisting of a board covered with flannel. | 
| LABYRINTHIAN | • labyrinthian adj. Mazelike, having long corridors and passageways that seemingly have no exit. • LABYRINTHIAN adj. of or like a labyrinth, also LABYRINTHAL, LABYRINTHIC, LABYRINTHINE. | 
| LANDBOARDING | • landboarding n. A sport in which a rider on a board is pulled over water by a kite. • LANDBOARDING n. the sport of being pulled along by a kite on a board. | 
| NONALGEBRAIC | • nonalgebraic adj. Not algebraic. • NONALGEBRAIC adj. not algebraic. | 
| NONBACTERIAL | • nonbacterial adj. Not bacterial. • NONBACTERIAL adj. not bacterial. | 
| NONBREAKABLE | • nonbreakable adj. Not easily broken. • nonbreakable n. (Chiefly in the plural) Something that cannot be easily broken. • NONBREAKABLE adj. not breakable. | 
| NONLIBRARIAN | • nonlibrarian n. One who is not a librarian. • NONLIBRARIAN n. one who is not a librarian. | 
| NONREPAYABLE | • nonrepayable adj. Not repayable. • non-repayable adj. Alternative form of nonrepayable. • NONREPAYABLE adj. not repayable. | 
| SUBALTERNANT | • subalternant n. (Logic) A universal proposition. • SUBALTERNANT n. in logic, a universal in relation to the subaltern particular. | 
| TABERNACLING | • tabernacling v. Present participle of tabernacle. • TABERNACLE v. to sojourn. | 
| UNANSWERABLE | • unanswerable adj. Not answerable; impossible to answer. • unanswerable adj. Impossible to dispute or rebut; irrefutable; conclusive. • unanswerable n. Something that cannot be answered. | 
| UNANSWERABLY | • unanswerably adv. In an unanswerable manner; beyond refutation. • UNANSWERABLE adv. not capable of being answered. | 
| UNPARDONABLE | • unpardonable adj. Impossible to pardon; impossible to excuse or justify. • UNPARDONABLE adj. not pardonable. | 
| UNPARDONABLY | • unpardonably adv. In an unpardonable manner. • UNPARDONABLE adv. not pardonable. | 
| UNREASONABLE | • unreasonable adj. Without the ability to reason; unreasoning. • unreasonable adj. Not reasonable; going beyond what could be expected or asked for. • UNREASONABLE adj. not governed by or acting according to reason. | 
| UNREASONABLY | • unreasonably adv. In an unreasonable manner. • unreasonably adv. To an unreasonable degree. • UNREASONABLE adv. not governed by or acting according to reason. |