전쟁이나 충돌에 참여하는 행위 또는 그와 관련된 활동.
Engagement in or the activities involved in war or conflict.
예문:
"Modern warfare relies heavily on drone technology and cyber attacks."
"The history books detail the brutal realities of trench warfare during World War I."
"Economic warfare can be just as damaging to a nation as physical combat."