i Register
In some senses, counteroffensive is marked as US. Watch for register when choosing this word.
noun
US spelling of counter-offensive.
As the war slogs on, a growing flow of Western weapons over the summer is now playing a key role in the counteroffensive, helping Ukraine significantly boost its precision strike capability. Since the counteroffensive began, Ukraine said, its forces have reclaimed more than 30 settlements in the Kharkiv region.
adj
US spelling of counter-offensive.