flatfooted vs unready

flatfooted and unready both are adjectives.

Word	Noun	Adjective	Verb	Adverb
flatfooted	No	Yes	No	No
unready	No	Yes	No	No

flatfooted (adjective)	unready (adjective)
forthright and explicit	not prepared or in a state of readiness; slow to understand or respond
with feet flat on the ground; not tiptoe
having broad flat feet that usually turn outward
unprepared and unable to react quickly