(adv.) In a square form or manner.

absolutely accurately bang dead definitely directly equally even exactly expressly faithfully fifty-fifty flush full in all respects in every respect ipsissimis verbis just kerplunk literally literatim plop plumb plump plunk point-blank positively precisely right rigidly rigorously sharp smack smack-dab spang square straight strictly to the letter undeviatingly unerringly verbally verbatim verbatim et litteratim word by word word for word