Antonyms of adj unprepared

1 sense of unprepared

Sense 1
unprepared (vs. prepared) -- (without preparation; not prepared for; "unprepared remarks"; "the shock was unprepared"; "our treaty makers approached their immensely difficult problems unprepared"- R.E.Danielson)

prepared (vs. unprepared) -- (made ready or fit or suitable beforehand; "a prepared statement"; "be prepared for emergencies")
        => braced -- (positioned so as to be ready for confrontation or danger; "he stood to attention with his shoulders braced")
        => embattled -- (prepared for battle; "an embattled city")
        => equipped, fitted out (predicate) -- (prepared with proper equipment; "equipped for service in the Arctic")
        => oven-ready -- (prepared before sale and ready to be cooked)
        => preconditioned -- (having already been put into a suitable condition; "a surface preconditioned to receive paint"; "customers preconditioned to buy a product")
        => precooked -- (cooked partially or completely beforehand; "frozen precooked meals from the supermarket")
        => processed -- (subjected to a special process or treatment; "prepared ergot"; "processed cheeses are easy to spread")
        => ready -- (made suitable and available for immediate use; "dinner is ready")
        => spread -- (prepared or arranged for a meal; especially having food set out; "a table spread with food")
        => up (predicate) -- ((usually followed by `on' or `for') in readiness; "he was up on his homework"; "had to be up for the game")

Similarity of adj unprepared

1 sense of unprepared

Sense 1
unprepared (vs. prepared) -- (without preparation; not prepared for; "unprepared remarks"; "the shock was unprepared"; "our treaty makers approached their immensely difficult problems unprepared"- R.E.Danielson)
       => ad-lib, extemporaneous, extemporary, extempore, impromptu, offhand, offhanded, off-the-cuff, unrehearsed -- (with little or no preparation or forethought; "his ad-lib comments showed poor judgment"; "an extemporaneous piano recital"; "an extemporary lecture"; "an extempore skit"; "an impromptu speech"; "offhand excuses"; "trying to sound offhanded and reassuring"; "an off-the-cuff toast"; "a few unrehearsed comments")
       => spur-of-the-moment -- (in response to an unforeseen need; "a spur-of-the-moment party")
          Also See-> unready#1