Pronunciation: (flat'foot'id), [key]
1. having flatfeet.
2. taking or showing an uncompromising stand in a matter; firm and explicit: a flatfooted denial.
3. clumsy or plodding; maladroit: flatfooted writing.
4. catch one flatfooted, to catch one unprepared; surprise: The amount of the bill caught us flatfooted.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.