unready

adjectives

not prepared or in a state of readiness; slow to understand or respond
"she cursed her unready tongue"
antonym
is similar to
unprepared and unable to react quickly
"the new product caught their competitors flat-footed"
is similar to
not prepared or vigilant
"the blow caught him napping"; "caught in an off-guard moment"; "found him off his guard"
is similar to
not fully prepared
see also
without preparation; not prepared for
"unprepared remarks"; "the shock was unprepared"; "our treaty makers approached their immensely difficult problems unprepared"- R.E.Danielson
is an attribute of
the state of having been made ready or prepared for use or action (especially military action)
"putting them in readiness"; "their preparation was more than adequate"