| Adj. | 1. | flat-footed - with feet flat on the ground; not tiptoefooted - having feet; "footed creatures"; "a footed sofa" |
| 2. | flat-footed - unprepared and unable to react quickly; "the new product caught their competitors flat-footed"unready - not prepared or in a state of readiness; slow to understand or respond; "she cursed her unready tongue" |
| 3. | flat-footed - having broad flat feet that usually turn outward; "a slow flat-footed walk"splayfoot, splayfooted - having feet that turn outward |
| 4. | flat-footed - without reservation; "a flat-footed refusal"colloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speechdirect - straightforward in means or manner or behavior or language or action; "a direct question"; "a direct response"; "a direct approach" |