| FLATLY | • flatly adv. In a physically flat or level manner. • flatly adv. In a definite manner; in a manner showing complete certainty. • flatly adv. In a manner that shows no emotion. |
| FLATLET | • flatlet n. (Britain) A very small flat (apartment). • FLATLET n. a type of apartment. |
| FLATLAND | • flatland n. Synonym of plain: land of relatively constant altitude, usually exclusive of forests, deserts, and wastelands. • flatland n. (Ireland, informal) An urban region with many flats or apartments to rent. • FLATLAND n. land lacking variation in elevation. |
| FLATLETS | • flatlets n. Plural of flatlet. • FLATLET n. a type of apartment. |
| FLATLINE | • flatline n. An unchanging state, as indicated in a graph of a variable over time. • flatline n. Asystole; the absence of heart contractions or brain waves. • flatline v. (Intransitive, of the heart) To stop beating. |
| FLATLING | • flatling adv. Flatly, plainly. • flatling adv. In a flat position. • flatling adv. With the flat side (e.g. of a weapon). |
| FLATLONG | • flatlong adv. With the flat side downward; not edgewise. • FLATLONG adv. (Spenser) with a flat side or edge, also FLATLING, FLATLINGS. |
| FLATLANDS | • flatlands n. Plural of flatland. • flatlands n. A terrain that varies little in elevation. • FLATLAND n. land lacking variation in elevation. |
| FLATLINED | • flatlined v. Simple past tense and past participle of flatline. • FLATLINE v. to register as having no brain waves or heartbeat. |
| FLATLINER | • flatliner n. (Rare) A patient with no heartbeat. • FLATLINER n. one who flatlines. |
| FLATLINES | • flatlines v. Third-person singular simple present indicative form of flatline. • flat␣lines n. Plural of flat line. • FLATLINE v. to register as having no brain waves or heartbeat. |
| FLATLINGS | • flatlings adv. (Scotland) Alternative form of flatling. • FLATLINGS adv. (Spenser) with a flat side or edge, also FLATLING, FLATLONG. |
| FLATLANDER | • flatlander n. (Chiefly derogatory) A person who lives at, lived at, or was raised by someone at a low altitude or… • flatlander n. (Physics) An inhabitant of or observer in a universe with two spatial dimensions. • flatlander n. (Cycling) A flatland BMX rider. |
| FLATLINERS | • flatliners n. Plural of flatliner. • FLATLINER n. one who flatlines. |
| FLATLINING | • flatlining v. Present participle of flatline. • FLATLINE v. to register as having no brain waves or heartbeat. |
| FLATLANDERS | • flatlanders n. Plural of flatlander. • FLATLANDER n. one who lives in flat country. |