a. The waging of war against an enemy; armed conflict.
b. Military operations marked by a specific characteristic: guerrilla warfare; chemical warfare.
2. A state of disharmony or conflict; strife: constant spousal warfare in the household.
3. Acts undertaken to destroy or undermine the strength of another: political warfare.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.