| flatlet | (n) a tiny flat |
| flatly | (adv) in an unqualified manner, Syn. unconditionally, categorically, Example: he flatly denied the charges |
| Flatling | adv. [ Flat, a. + adverbial suff. -ling. ] With the flat side, as of a sword; flatlong; in a prostrate position. [ Obs. ] Spenser. [ 1913 Webster ] |
| Flatlong | adv. With the flat side downward; not edgewise. Shak. [ 1913 Webster ] |
| Flatly | adv. He that does the works of religion slowly, flatly, and without appetite. Jer. Taylor. [ 1913 Webster ] |