offensively

From offensive +‎ -ly.

offensively (comparative more offensively, superlative most offensively)

In an offensive manner.
- 1948, The American Magazine, volume 145, page 122:
  I am sure the hostess will leave off her list men and women who usually drink too much, the woman who gets mushy and tries to steal all the handsomest husbands, the man who offensively would take this opportunity to try to build up sales contacts, […]
- 2018 October 12, aabicus, “My 7 Favorite Fairy Chess Pieces”, in The Daily SPUF‎:
  The problem is that it would be difficult to use a joker offensively since you could never know how it was going to move, meaning it’d be most useful setting it up for potential queen/rook captures to disincentivize your opponent from moving those pieces.

in an offensive manner

English