- simple past tense and past participle of
1643 1860, “Battlefields of Warwickshire”, The Warwickshire Antiquarian Magazine, volume 5, page 291:
- […] [T]hey hacked, havoced, or pistolled all they met with, without distinction, blaspheming, cursing and damning themselves most hideously
c.1991, Derek Jarman, Keith Collins, editor, Smiling in Slow Motion"havoced", Century, ISBN 9780712680042, published 2000, page 20:
- There are more prominent people than the gaggle of thespians who claim to represent us – the first to be targeted should be the politicians, particularly lawyers, judges and police, and then the churchmen who have havoced young lives.
- The spelling havocked is more common.