unready vs flat-footed

unready and flat-footed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unready	No	Yes	No	No
flat-footed	No	Yes	No	No

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